diff --git a/.buildkite/scripts/run_tests.sh b/.buildkite/scripts/run_tests.sh
index 2c7f42ff..91aca36b 100755
--- a/.buildkite/scripts/run_tests.sh
+++ b/.buildkite/scripts/run_tests.sh
@@ -11,4 +11,6 @@ else
   git checkout "$TARGET_BRANCH"
 fi
 
+./utils/ssl-certs-generator/generate.sh
+chmod -R 0440 utils/ssl-certs-generator/generated/*
 mkdir -p .ci && curl -sL --retry 5 --retry-delay 5 https://github.com/logstash-plugins/.ci/archive/1.x.tar.gz | tar zxvf - --skip-old-files --strip-components=1 -C .ci --wildcards '*Dockerfile*' '*docker*' '*.sh' '*logstash-versions*' && .ci/docker-setup.sh && .ci/docker-run.sh
\ No newline at end of file
diff --git a/.ci/Dockerfile.elasticsearch b/.ci/Dockerfile.elasticsearch
index 1c07b675..6f4cae76 100755
--- a/.ci/Dockerfile.elasticsearch
+++ b/.ci/Dockerfile.elasticsearch
@@ -10,7 +10,7 @@ ARG ES_SSL_SUPPORTED_PROTOCOLS
 
 RUN rm -f $es_path/config/scripts
 
-COPY --chown=elasticsearch:elasticsearch spec/fixtures/test_certs/* $es_path/config/test_certs/
+COPY --chown=elasticsearch:elasticsearch utils/ssl-certs-generator/generated/* $es_path/config/test_certs/
 COPY --chown=elasticsearch:elasticsearch .ci/elasticsearch-run.sh $es_path/
 
 RUN if [ "$SECURE_INTEGRATION" != "true" ] ; then echo "xpack.security.enabled: false" >> $es_yml; fi
diff --git a/.ci/logstash-run.sh b/.ci/logstash-run.sh
index 22e4ea62..459c52b1 100755
--- a/.ci/logstash-run.sh
+++ b/.ci/logstash-run.sh
@@ -39,6 +39,5 @@ else
   echo "Waiting for elasticsearch to respond..."
   ES_VERSION=$(wait_for_es)
   echo "Elasticsearch $ES_VERSION is Up!"
-  chmod -R 0440 spec/fixtures/test_certs/*
   bundle exec rspec --format=documentation $extra_tag_args --tag es_version:$ES_VERSION spec/integration
 fi
\ No newline at end of file
diff --git a/build.gradle b/build.gradle
index 7316152c..94cda376 100644
--- a/build.gradle
+++ b/build.gradle
@@ -104,15 +104,16 @@ dependencies {
         from requiredLogstashCoreJar("guava", "jre")
     })
 
-    mockitoAgent('org.mockito:mockito-core:5.14.1') {
+    mockitoAgent('org.mockito:mockito-core:5.23.0') {
         transitive = false
     }
-    testImplementation 'org.junit.jupiter:junit-jupiter-api:5.1.0'
-    testRuntimeOnly 'org.junit.jupiter:junit-jupiter-engine:5.1.0'
-    testImplementation 'org.mockito:mockito-junit-jupiter:5.14.1'
-    testImplementation 'org.hamcrest:hamcrest-library:2.2'
-    testImplementation "com.github.seregamorph:hamcrest-more-matchers:0.1"
-    testImplementation 'com.github.tomakehurst:wiremock-jre8:2.35.1'
+    testImplementation 'org.junit.jupiter:junit-jupiter-api:5.14.3'
+    testRuntimeOnly 'org.junit.jupiter:junit-jupiter-engine:5.14.3'
+    testRuntimeOnly 'org.junit.platform:junit-platform-launcher:1.14.3'
+    testImplementation 'org.mockito:mockito-junit-jupiter:5.23.0'
+    testImplementation 'org.hamcrest:hamcrest-library:3.0'
+    testImplementation "com.github.seregamorph:hamcrest-more-matchers:1.0"
+    testImplementation 'org.wiremock:wiremock:3.13.2'
     testRuntimeOnly requiredLogstashCoreJar("log4j-core")
 
     geolite2('org.elasticsearch:geolite2-databases:20191119') {
@@ -802,6 +803,7 @@ tasks.withType(JavaCompile) {
 
 test {
     useJUnitPlatform()
+    systemProperty 'ssl.test.certs.dir', "${projectDir}/utils/ssl-certs-generator/generated"
     testLogging {
         exceptionFormat "full"
         outputs.upToDateWhen { false }
@@ -810,7 +812,7 @@ test {
 }
 
 task generateTestCertificates(type: Exec) {
-    def sslTestCertsDir = "${projectDir}/src/test/resources/co/elastic/logstash/filters/elasticintegration/ssl-test-certs"
+    def sslTestCertsDir = "${projectDir}/utils/ssl-certs-generator"
 
     workingDir sslTestCertsDir
     commandLine './generate.sh'
diff --git a/spec/fixtures/test_certs/README.txt b/spec/fixtures/test_certs/README.txt
deleted file mode 100644
index e4fa8b79..00000000
--- a/spec/fixtures/test_certs/README.txt
+++ /dev/null
@@ -1,2 +0,0 @@
-GENERATED CERTIFICATES FOR TESTING ONLY.
-DO NOT USE THESE CERTIFICATES IN PRODUCTION
diff --git a/spec/fixtures/test_certs/ca.p12 b/spec/fixtures/test_certs/ca.p12
deleted file mode 100644
index a903b298..00000000
Binary files a/spec/fixtures/test_certs/ca.p12 and /dev/null differ
diff --git a/spec/fixtures/test_certs/client_from_root.chain.crt b/spec/fixtures/test_certs/client_from_root.chain.crt
deleted file mode 100644
index cc468390..00000000
--- a/spec/fixtures/test_certs/client_from_root.chain.crt
+++ /dev/null
@@ -1,67 +0,0 @@
------BEGIN CERTIFICATE-----
-MIIGATCCA+mgAwIBAgIBBDANBgkqhkiG9w0BAQsFADBRMQswCQYDVQQGEwJMUzEL
-MAkGA1UECAwCTkExEzARBgNVBAcMCkh0dHAgSW5wdXQxETAPBgNVBAoMCExvZ3N0
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-S/zNSA5KeKdBYZAxmIJrpRKMEE6quvlFHyb6QlWRpp4iZUGW2Q8H0Xaz+o6gDIvx
-wkAHHfkINH7bUNWjykBjmKy566qo7aNES2lW9kcf89N1f1nSPD+8zUnLSXuRyu/X
-bDuiS58F2JmfFUBBZmMYZldWJ2PpflK/yAyIh8LoMo1ScURX8uW1nv9desB7JK5g
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-AnKjmWyb1da2SJp5weD8C3quOoudHOct8n+MTIcq7r9ZcqX9dAOA29HQ9RW85iA/
-SLPkBlCaFF4i0veEmztlxWcKOwHmmjGHaAE7ChTuZa/snmU6c9Dp78HAo5JhjBew
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-oDAzBglghkgBhvhCAQ0EJhYkT3BlblNTTCBHZW5lcmF0ZWQgQ2xpZW50IENlcnRp
-ZmljYXRlMB0GA1UdDgQWBBRQNeIQIufOUCAcOn6jaZpaOGCekjAfBgNVHSMEGDAW
-gBQ9KCdtCHLDCbqgwSXsMhljXvTSojAOBgNVHQ8BAf8EBAMCBeAwHQYDVR0lBBYw
-FAYIKwYBBQUHAwIGCCsGAQUFBwMEMBoGA1UdEQQTMBGCCWxvY2FsaG9zdIcEfwAA
-ATANBgkqhkiG9w0BAQsFAAOCAgEAWNgFwOzMAQBAtaFm+7bc20ck9UMbX+sus9Rr
-xonVP2D5irmVOmP/fBStCgfRGS0+TJbB/8/bNQCWBjZO/abJykraHEnn+/LaAeet
-NzMRFYfVZDq2k00UzUXw7G4I/7F/T4pPQNOchG74aTHPJDjnfGNOokqQOZ79wYKm
-ipr5/aWjnsZh4tN3smJdJdULpUQ8r9jaye4dN6ORK6evqr4WAfuXs/wvSxdbCxhS
-Sje5Za/VK1jBQ3J34N03j3UeAckw1pBvAFcOmnOr93lWTwSknP9duN5zdAO/YXyH
-dEHUIbL4quwFsGnf/jQG5V57bKMczeastd5MQ/7XL5rbnKofvXFGaxViO0MkE+va
-x4XyOpjCbqxb+lcJB4SwM89b6edxfKJ4d1hlvBmT4AQn6aYkui6xl7rttjjNgEbr
-s5Pb9Nz83RduRHoCq8s0uW8trEmwGciiSMXqd0qMRxWxzlzkDSpBjJ6YpfrXVUvt
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-0V3raE20G57IaWC5PArPKCFEKTT0YqGZRty3cu5ZnsXHWhB2VhCukWfNtU1h+X5I
-VX9bH5I=
------END CERTIFICATE-----
------BEGIN CERTIFICATE-----
-MIIFiDCCA3CgAwIBAgIJAN5nsUugKJMGMA0GCSqGSIb3DQEBCwUAMFExCzAJBgNV
-BAYTAkxTMQswCQYDVQQIDAJOQTETMBEGA1UEBwwKSHR0cCBJbnB1dDERMA8GA1UE
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-IjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAt041lpDZUKVEsU3QdEs5WiRT
-SizlLfBHUHGjZ+VaFUYqPEPyCoWCj7rxAYYPZQHGRk/vvKxLPdgSI99+UrWXpTDc
-Fi/qS6AuD4CJRiy09NXzeRlHsHYJd3TQaDhXuE/r1GYa17xYhyRqulLm++7LHtm5
-j5KQB4d/0sU1aUHdB1e2xMEpEG7u37GjOc5XsYaz9yXVFgNR+yiMUWmaW3MKQ5pj
-DWRLTQ2Up5U10TD/XcWOhbyIaZZIQoN11NHS36tiqcGtOfMilIogI2H0Oy+7bw+c
-b0ABatsNtHKdJCzYOI6G9X1+KSTrc4tJU3ci5zvBu472sBQIjo1t72t+si7FmDq3
-QjAULffjQUkAh9BNf4uUz/1rHWGURWfWLXbdSSz3EgNs94H8lzD+DXz1nrv853/4
-oAiWTz1Ee2WnnBqYp+GGTxWp6WXCzRuJUC8qHdGCu7f4Jv9Z0eoe3fgxVrK3BU8S
-KB/3kERmwMmy1Q5jvHdXEFV8AcenVeelGCB0AICxpNXenKfXuhsLtc2mRIBmUIKH
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-Esym+FtOl1+HXAk882kYF6P3Kr7X/P+kW8Djctb8MidiNIJtP/fW8rooRE/vfXmF
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-hjAZHsTe55wfSorZHSstDZlEEmhL9y159CbPVhbWjuDvb+jlwi664en7ajZaoG/L
-t+UCq3K4twkQhztuNt40v9Bm/NgAZxpHMlsHGHTG+cNdsewNP/Q8pGuZGWQUJpJr
-Z7ppfee+SzeXAVDYZ/OXJbwDyBIj+83GycsdEl4ahXHmAyBFxZ+TZjOmkMcBN15/
-7vEhJr+kntAV5jEJZDUJqxbF4u0xIZ8eQ7ZIwhlwnRtKQkwt91VphzxZj8XVrGHP
-4jKqx/rszj1q0IkPh69wsbzXPCQoUx5uh9Y1ZeISs9Js2RabyQLEvibOdCnnwYrX
-ffMjLFrmvkj/ydrdonIbckYg0WvTfiKe0YzrQQ==
------END CERTIFICATE-----
diff --git a/spec/fixtures/test_certs/client_from_root.crt b/spec/fixtures/test_certs/client_from_root.crt
deleted file mode 100644
index a83166b4..00000000
--- a/spec/fixtures/test_certs/client_from_root.crt
+++ /dev/null
@@ -1,35 +0,0 @@
------BEGIN CERTIFICATE-----
-MIIGATCCA+mgAwIBAgIBBDANBgkqhkiG9w0BAQsFADBRMQswCQYDVQQGEwJMUzEL
-MAkGA1UECAwCTkExEzARBgNVBAcMCkh0dHAgSW5wdXQxETAPBgNVBAoMCExvZ3N0
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-VX9bH5I=
------END CERTIFICATE-----
diff --git a/spec/fixtures/test_certs/client_from_root.jks b/spec/fixtures/test_certs/client_from_root.jks
deleted file mode 100644
index 412d687b..00000000
Binary files a/spec/fixtures/test_certs/client_from_root.jks and /dev/null differ
diff --git a/spec/fixtures/test_certs/client_from_root.key b/spec/fixtures/test_certs/client_from_root.key
deleted file mode 100644
index 046deb11..00000000
--- a/spec/fixtures/test_certs/client_from_root.key
+++ /dev/null
@@ -1,51 +0,0 @@
------BEGIN RSA PRIVATE KEY-----
-MIIJJwIBAAKCAgEA3buIigEAaZurkKsC7SEm0a0k+ZK9OhqvS/zNSA5KeKdBYZAx
-mIJrpRKMEE6quvlFHyb6QlWRpp4iZUGW2Q8H0Xaz+o6gDIvxwkAHHfkINH7bUNWj
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-mImcJ/+8ULW7WKt8c1u8eudQcbtIRpJnAP4N+i9D2OXkceGQkm9q39nDjkH+EtkO
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-+2vd1OwxllOUjbvDww1b6BTQq++WjLn/t/5EhOZ5Oathzq9672x8ouzR7cQZ7jMN
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------END RSA PRIVATE KEY-----
diff --git a/spec/fixtures/test_certs/client_from_root.key.pkcs8 b/spec/fixtures/test_certs/client_from_root.key.pkcs8
deleted file mode 100644
index f8a76dfd..00000000
--- a/spec/fixtures/test_certs/client_from_root.key.pkcs8
+++ /dev/null
@@ -1,53 +0,0 @@
------BEGIN ENCRYPTED PRIVATE KEY-----
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------END ENCRYPTED PRIVATE KEY-----
diff --git a/spec/fixtures/test_certs/client_from_root.p12 b/spec/fixtures/test_certs/client_from_root.p12
deleted file mode 100644
index aa4645ff..00000000
Binary files a/spec/fixtures/test_certs/client_from_root.p12 and /dev/null differ
diff --git a/spec/fixtures/test_certs/client_no_matching_subject.chain.crt b/spec/fixtures/test_certs/client_no_matching_subject.chain.crt
deleted file mode 100644
index 55c53489..00000000
--- a/spec/fixtures/test_certs/client_no_matching_subject.chain.crt
+++ /dev/null
@@ -1,67 +0,0 @@
------BEGIN CERTIFICATE-----
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------END CERTIFICATE-----
------BEGIN CERTIFICATE-----
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------END CERTIFICATE-----
diff --git a/spec/fixtures/test_certs/client_no_matching_subject.crt b/spec/fixtures/test_certs/client_no_matching_subject.crt
deleted file mode 100644
index 0640c085..00000000
--- a/spec/fixtures/test_certs/client_no_matching_subject.crt
+++ /dev/null
@@ -1,35 +0,0 @@
------BEGIN CERTIFICATE-----
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------END CERTIFICATE-----
diff --git a/spec/fixtures/test_certs/client_no_matching_subject.key b/spec/fixtures/test_certs/client_no_matching_subject.key
deleted file mode 100644
index 2ac9bdd2..00000000
--- a/spec/fixtures/test_certs/client_no_matching_subject.key
+++ /dev/null
@@ -1,51 +0,0 @@
------BEGIN RSA PRIVATE KEY-----
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------END RSA PRIVATE KEY-----
diff --git a/spec/fixtures/test_certs/client_no_matching_subject.key.pkcs8 b/spec/fixtures/test_certs/client_no_matching_subject.key.pkcs8
deleted file mode 100644
index 10f167b7..00000000
--- a/spec/fixtures/test_certs/client_no_matching_subject.key.pkcs8
+++ /dev/null
@@ -1,53 +0,0 @@
------BEGIN ENCRYPTED PRIVATE KEY-----
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------END ENCRYPTED PRIVATE KEY-----
diff --git a/spec/fixtures/test_certs/client_no_matching_subject.p12 b/spec/fixtures/test_certs/client_no_matching_subject.p12
deleted file mode 100644
index 727d1212..00000000
Binary files a/spec/fixtures/test_certs/client_no_matching_subject.p12 and /dev/null differ
diff --git a/spec/fixtures/test_certs/client_self_signed.crt b/spec/fixtures/test_certs/client_self_signed.crt
deleted file mode 100644
index d147220d..00000000
--- a/spec/fixtures/test_certs/client_self_signed.crt
+++ /dev/null
@@ -1,30 +0,0 @@
------BEGIN CERTIFICATE-----
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-62/8/P6GDHm/wxjHI1+r7Mnb
------END CERTIFICATE-----
diff --git a/spec/fixtures/test_certs/client_self_signed.key b/spec/fixtures/test_certs/client_self_signed.key
deleted file mode 100644
index 7a87bb76..00000000
--- a/spec/fixtures/test_certs/client_self_signed.key
+++ /dev/null
@@ -1,52 +0,0 @@
------BEGIN PRIVATE KEY-----
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------END PRIVATE KEY-----
diff --git a/spec/fixtures/test_certs/client_self_signed.p12 b/spec/fixtures/test_certs/client_self_signed.p12
deleted file mode 100644
index 8a8b45b4..00000000
Binary files a/spec/fixtures/test_certs/client_self_signed.p12 and /dev/null differ
diff --git a/spec/fixtures/test_certs/root.crt b/spec/fixtures/test_certs/root.crt
deleted file mode 100644
index c673a9f3..00000000
--- a/spec/fixtures/test_certs/root.crt
+++ /dev/null
@@ -1,32 +0,0 @@
------BEGIN CERTIFICATE-----
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------END CERTIFICATE-----
diff --git a/spec/fixtures/test_certs/root.key b/spec/fixtures/test_certs/root.key
deleted file mode 100644
index 332e04ff..00000000
--- a/spec/fixtures/test_certs/root.key
+++ /dev/null
@@ -1,51 +0,0 @@
------BEGIN RSA PRIVATE KEY-----
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------END RSA PRIVATE KEY-----
diff --git a/spec/fixtures/test_certs/server_from_root.chain.crt b/spec/fixtures/test_certs/server_from_root.chain.crt
deleted file mode 100644
index ea314dca..00000000
--- a/spec/fixtures/test_certs/server_from_root.chain.crt
+++ /dev/null
@@ -1,68 +0,0 @@
------BEGIN CERTIFICATE-----
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------END CERTIFICATE-----
------BEGIN CERTIFICATE-----
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------END CERTIFICATE-----
diff --git a/spec/fixtures/test_certs/server_from_root.crt b/spec/fixtures/test_certs/server_from_root.crt
deleted file mode 100644
index 4d66367d..00000000
--- a/spec/fixtures/test_certs/server_from_root.crt
+++ /dev/null
@@ -1,36 +0,0 @@
------BEGIN CERTIFICATE-----
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------END CERTIFICATE-----
diff --git a/spec/fixtures/test_certs/server_from_root.key b/spec/fixtures/test_certs/server_from_root.key
deleted file mode 100644
index 3102e5c4..00000000
--- a/spec/fixtures/test_certs/server_from_root.key
+++ /dev/null
@@ -1,51 +0,0 @@
------BEGIN RSA PRIVATE KEY-----
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------END RSA PRIVATE KEY-----
diff --git a/spec/fixtures/test_certs/server_from_root.key.pkcs8 b/spec/fixtures/test_certs/server_from_root.key.pkcs8
deleted file mode 100644
index 8bdaea56..00000000
--- a/spec/fixtures/test_certs/server_from_root.key.pkcs8
+++ /dev/null
@@ -1,53 +0,0 @@
------BEGIN ENCRYPTED PRIVATE KEY-----
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-0Gptn4Bg7p5qFJWnfKvn0Il2Xs0uAW4TAShIlaWZzUo9oMtg2qmWTG14X4NGhU4Y
-cPqDVsR6/0NbzWs0NcL0rRrY7KXHoWOHaJifNcVhNItZo/FjNBTynE+Ck0qvKb1c
-1oc+Em1Dx9MazvdIzAX35cFbLma7BMiDXWMk/QPYq+Rj2rKbW574PuP7oks5uyd6
-mb8UvD5nDq9ue5yKNksX5YAJd14cMA0cvzuhX8/C534AoNTPl36PZflFlHK8iUrv
-poFdJPzl2DEQss6Y9ThGLzSSu19OY5iZHCpw6yy5CXa3VNXfiPGT6/yAXYWoZ/fv
-4r7arGX6lvdCYq4+yUGL37yzWq3F15VCWAioIanBXt3HiQMsxaqtgY17DSHDFpJ8
-5I4us4w0t8sUQtoQCCmId765YUVtTOMyyxKWm1I9Z6dwcEZ89zShjH2F281BM0K+
-SAyeeVd5lJ7RatprKkgecrYJTY2UCsScFg4B47xICKFq/gOSY4MvLzfXV+oyiwkh
-zCoFSU2IximSb8HfZqA67eicuu2wI/AkV3bbN+VTm1W6HSexoYqkOLr1NAzekCbq
-TG5GQeLlzth7wtEwvum9O1Vqkqa/7ktUqvwFur83mdXpOZEhX1QxHVZr9uQpdK5l
-PxA3RfxBv/3alQyrY/YWMMaVFMhZ/a6fJIWg+2ijou/rm3DNNQJPoO+XsLj+NYso
-3UzulF8sL6f6w8+r6Esk3I3f4XuzZh8TrNmJPABkpsEb+YT3HY6x567JsaITgh8u
-TGfPI5dMNDxOLLINcpp3J8umvxPPvEsIJwhjrb/hb3/4vi7HfcWVWLpnNQQ7FedG
-3JbZk9e/sSs7xHLVYCwfbTbtY9XXbdphiYZnqzhW/gxPah7qMljrWwfJ/wibWa67
-YJzuIetND33hOi+4Yfir9P5bfwMTX/+zBh67kCC0uaMalZrOmPkjJ0SQeUmEs41a
-l5+K80A0i8X9vqlaLpzMUoDYHdGZgKQfjsnGtjvyH41wWrEOvdaaq9QeUD43Pfze
-5AwjB6mj0jqlSFpEPCY=
------END ENCRYPTED PRIVATE KEY-----
diff --git a/spec/fixtures/test_certs/server_from_root.p12 b/spec/fixtures/test_certs/server_from_root.p12
deleted file mode 100644
index 19779481..00000000
Binary files a/spec/fixtures/test_certs/server_from_root.p12 and /dev/null differ
diff --git a/spec/integration/elastic_integration_spec.rb b/spec/integration/elastic_integration_spec.rb
index f8c053cb..cfe8b291 100644
--- a/spec/integration/elastic_integration_spec.rb
+++ b/spec/integration/elastic_integration_spec.rb
@@ -6,10 +6,12 @@
 # requires xpack enabled & SSL enabled
 describe 'Logstash executes ingest pipeline', :secure_integration => true do
 
+  let(:test_certs_dir) { 'utils/ssl-certs-generator/generated' }
+
   let(:es_http_client_options) {
     {
       ssl: {
-        ca_file: 'spec/fixtures/test_certs/root.crt',
+        ca_file: "#{test_certs_dir}/root.crt",
         verify: :none
       },
       socket_timeout: 60,
@@ -29,8 +31,8 @@
       "password" => integ_user_password,
       "ssl_enabled" => true,
       "ssl_verification_mode" => "certificate",
-      "ssl_certificate" => "spec/fixtures/test_certs/client_from_root.crt",
-      "ssl_key" => "spec/fixtures/test_certs/client_from_root.key.pkcs8",
+      "ssl_certificate" => "#{test_certs_dir}/client_from_root.crt",
+      "ssl_key" => "#{test_certs_dir}/client_from_root.key.pkcs8",
       "ssl_key_passphrase" => "12345678"
     }
   }
@@ -116,7 +118,7 @@
   context '#pipeline execution' do
     let(:settings) {
       super().merge(
-        "ssl_certificate_authorities" => "spec/fixtures/test_certs/root.crt"
+        "ssl_certificate_authorities" => "#{test_certs_dir}/root.crt"
       )
     }
 
@@ -1168,7 +1170,7 @@ def path; @path; end
   context '#multi-pipeline execution' do
     let(:settings) {
       super().merge(
-        "ssl_certificate_authorities" => "spec/fixtures/test_certs/root.crt"
+        "ssl_certificate_authorities" => "#{test_certs_dir}/root.crt"
       )
     }
 
@@ -1209,7 +1211,7 @@ def path; @path; end
   context '#failures' do
     let(:settings) {
       super().merge(
-        "ssl_certificate_authorities" => "spec/fixtures/test_certs/root.crt"
+        "ssl_certificate_authorities" => "#{test_certs_dir}/root.crt"
       )
     }
 
@@ -1273,7 +1275,7 @@ def path; @path; end
   context '#privileges' do
     let(:settings) {
       super().merge(
-        "ssl_certificate_authorities" => "spec/fixtures/test_certs/root.crt"
+        "ssl_certificate_authorities" => "#{test_certs_dir}/root.crt"
       )
     }
     # a user who doesn't have pipeline privileges
@@ -1375,7 +1377,7 @@ def path; @path; end
   context '#emulating real scenario' do
     let(:settings) {
       super().merge(
-        "ssl_certificate_authorities" => "spec/fixtures/test_certs/root.crt"
+        "ssl_certificate_authorities" => "#{test_certs_dir}/root.crt"
       )
     }
     let(:index_settings) {
@@ -1462,7 +1464,7 @@ def path; @path; end
         super().merge(
           # certificate is signed with localhost/127.0.0.1, should complain
           "ssl_verification_mode" => "full",
-          "ssl_certificate_authorities" => "spec/fixtures/test_certs/root.crt"
+          "ssl_certificate_authorities" => "#{test_certs_dir}/root.crt"
         )
       }
 
@@ -1510,4 +1512,55 @@ def path; @path; end
     end
   end
 
+  context '#unsupported processors' do
+    let(:settings) {
+      super().merge(
+        "ssl_certificate_authorities" => "#{test_certs_dir}/root.crt"
+      )
+    }
+
+    unsupported_processors = {
+      'inference' =>
+        '{
+            "inference": {
+                "model_id": "model_deployment_for_inference",
+                "input_output": [{"input_field": "content", "output_field": "content_embedding"}]
+            }
+        }',
+      'enrich' =>
+        '{
+            "enrich": {
+                "policy_name": "enrich_policy_name",
+                "field": "source_field",
+                "target_field": "target_field"
+            }
+         }'
+    }
+
+    before(:each) do
+      subject.register
+    end
+
+    shared_examples 'processor failure' do
+      it 'adds failure tag to metadata' do
+        events = [LogStash::Event.new(
+          "message" => "55.3.244.1 GET /index.html 15824 0.043",
+          "data_stream" => data_stream
+        )]
+
+        subject.multi_filter(events).each do |event|
+          failure_reason = event.get("[@metadata][_ingest_pipeline_failure]")
+          expect(failure_reason).to be_truthy
+        end
+      end
+    end
+
+    unsupported_processors.each do |name, config|
+      describe "with #{name} processor" do
+        let(:pipeline_processor) { config }
+        include_examples 'processor failure'
+      end
+    end
+  end
+
 end
\ No newline at end of file
diff --git a/src/test/java/co/elastic/logstash/filters/elasticintegration/ElasticsearchRestClientWireMockTest.java b/src/test/java/co/elastic/logstash/filters/elasticintegration/ElasticsearchRestClientWireMockTest.java
index 3e3c1aca..26bcb620 100644
--- a/src/test/java/co/elastic/logstash/filters/elasticintegration/ElasticsearchRestClientWireMockTest.java
+++ b/src/test/java/co/elastic/logstash/filters/elasticintegration/ElasticsearchRestClientWireMockTest.java
@@ -344,6 +344,6 @@ static String getMockResponseBody(final String name) {
     }
 
     static Path generatedCertificateMaterial(final String name) {
-        return getResourcePath(ElasticsearchRestClientWireMockTest.class, Path.of("ssl-test-certs","generated", name).toString()).orElseThrow();
+        return Path.of(System.getProperty("ssl.test.certs.dir")).resolve(name);
     }
 }
diff --git a/src/test/java/co/elastic/logstash/filters/elasticintegration/PreflightCheckTest.java b/src/test/java/co/elastic/logstash/filters/elasticintegration/PreflightCheckTest.java
index 95cbafa9..a63e69e0 100644
--- a/src/test/java/co/elastic/logstash/filters/elasticintegration/PreflightCheckTest.java
+++ b/src/test/java/co/elastic/logstash/filters/elasticintegration/PreflightCheckTest.java
@@ -6,7 +6,6 @@
  */
 package co.elastic.logstash.filters.elasticintegration;
 
-import com.github.tomakehurst.wiremock.extension.responsetemplating.ResponseTemplateTransformer;
 import com.github.tomakehurst.wiremock.http.Fault;
 import com.github.tomakehurst.wiremock.junit5.WireMockExtension;
 import org.apache.logging.log4j.Logger;
@@ -35,7 +34,7 @@ class PreflightCheckTest {
     static WireMockExtension wireMock = WireMockExtension.newInstance()
             .options(wireMockConfig()
                     .dynamicPort()
-                    .extensions(new ResponseTemplateTransformer(false))).build();
+                    .globalTemplating(false)).build();
 
     @Test
     void checkCredentialsPrivilegesOK() throws Exception {
diff --git a/src/test/resources/co/elastic/logstash/filters/elasticintegration/ssl-test-certs/.gitignore b/utils/ssl-certs-generator/.gitignore
similarity index 100%
rename from src/test/resources/co/elastic/logstash/filters/elasticintegration/ssl-test-certs/.gitignore
rename to utils/ssl-certs-generator/.gitignore
diff --git a/src/test/resources/co/elastic/logstash/filters/elasticintegration/ssl-test-certs/generate.sh b/utils/ssl-certs-generator/generate.sh
similarity index 92%
rename from src/test/resources/co/elastic/logstash/filters/elasticintegration/ssl-test-certs/generate.sh
rename to utils/ssl-certs-generator/generate.sh
index ad5b8686..b6dbff0e 100755
--- a/src/test/resources/co/elastic/logstash/filters/elasticintegration/ssl-test-certs/generate.sh
+++ b/utils/ssl-certs-generator/generate.sh
@@ -5,6 +5,13 @@ cd "$(dirname "$0")"
 # This is for testing purposes only
 set -e
 
+# Check if both `root.crt` created by openssl and the `client_from_root.jks` created by keytool exist.
+# There might be cases where keytool is not available on the host but openssl is available.
+if [[ -f generated/root.crt ]] && [[ -f generated/client_from_root.jks ]]; then
+    echo "Certificates already exist. Skipping generation."
+    exit 0
+fi
+
 rm -rf generated
 mkdir generated
 cd generated
diff --git a/src/test/resources/co/elastic/logstash/filters/elasticintegration/ssl-test-certs/openssl.cnf b/utils/ssl-certs-generator/openssl.cnf
similarity index 100%
rename from src/test/resources/co/elastic/logstash/filters/elasticintegration/ssl-test-certs/openssl.cnf
rename to utils/ssl-certs-generator/openssl.cnf