feat(tests): add flaky tests handling

build.gradle

@@ -199,23 +199,59 @@ subprojects {
             testImplementation 'org.assertj:assertj-core'
         }
 
-        test {
-            useJUnitPlatform()
-
+        def commonTestConfig = { Test t ->
             // set Xmx for test workers
-            maxHeapSize = '4g'
+            t.maxHeapSize = '4g'
 
             // configure en_US default locale for tests
-            systemProperty 'user.language', 'en'
-            systemProperty 'user.country', 'US'
+            t.systemProperty 'user.language', 'en'
+            t.systemProperty 'user.country', 'US'
 
-            environment 'SECRET_MY_SECRET', "{\"secretKey\":\"secretValue\"}".bytes.encodeBase64().toString()
-            environment 'SECRET_NEW_LINE', "cGFzc3dvcmR2ZXJ5dmVyeXZleXJsb25ncGFzc3dvcmR2ZXJ5dmVyeXZleXJsb25ncGFzc3dvcmR2\nZXJ5dmVyeXZleXJsb25ncGFzc3dvcmR2ZXJ5dmVyeXZleXJsb25ncGFzc3dvcmR2ZXJ5dmVyeXZl\neXJsb25n"
-            environment 'SECRET_WEBHOOK_KEY', "secretKey".bytes.encodeBase64().toString()
-            environment 'SECRET_NON_B64_SECRET', "some secret value"
-            environment 'SECRET_PASSWORD', "cGFzc3dvcmQ="
-            environment 'ENV_TEST1', "true"
-            environment 'ENV_TEST2', "Pass by env"
+            t.environment 'SECRET_MY_SECRET', "{\"secretKey\":\"secretValue\"}".bytes.encodeBase64().toString()
+            t.environment 'SECRET_NEW_LINE', "cGFzc3dvcmR2ZXJ5dmVyeXZleXJsb25ncGFzc3dvcmR2ZXJ5dmVyeXZleXJsb25ncGFzc3dvcmR2\nZXJ5dmVyeXZleXJsb25ncGFzc3dvcmR2ZXJ5dmVyeXZleXJsb25ncGFzc3dvcmR2ZXJ5dmVyeXZl\neXJsb25n"
+            t.environment 'SECRET_WEBHOOK_KEY', "secretKey".bytes.encodeBase64().toString()
+            t.environment 'SECRET_NON_B64_SECRET', "some secret value"
+            t.environment 'SECRET_PASSWORD', "cGFzc3dvcmQ="
+            t.environment 'ENV_TEST1', "true"
+            t.environment 'ENV_TEST2', "Pass by env"
+
+        }
+
+        tasks.register('flakyTest', Test) { Test t ->
+            group = 'verification'
+            description = 'Runs tests tagged @Flaky but does not fail the build.'
+
+            useJUnitPlatform {
+                includeTags 'flaky'
+            }
+            ignoreFailures = true
+
+            reports {
+                junitXml.required = true
+                junitXml.outputPerTestCase = true
+                junitXml.mergeReruns = true
+                junitXml.includeSystemErrLog = true
+                junitXml.outputLocation = layout.buildDirectory.dir("test-results/flakyTest")
+            }
+            commonTestConfig(t)
+
+        }
+
+        test {
+            useJUnitPlatform {
+                excludeTags 'flaky'
+            }
+            reports {
+                junitXml.required = true
+                junitXml.outputPerTestCase = true
+                junitXml.mergeReruns = true
+                junitXml.includeSystemErrLog = true
+                junitXml.outputLocation = layout.buildDirectory.dir("test-results/test")
+            }
+            commonTestConfig(it)
+
+
+            finalizedBy(tasks.named('flakyTest'))
         }
 
         testlogger {

tests/src/main/java/io/kestra/core/junit/annotations/FlakyTest.java

@@ -0,0 +1,21 @@
+package io.kestra.core.junit.annotations;
+
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+import org.junit.jupiter.api.Tag;
+
+/**
+ * used to document that a test is flaky and needs to be reworked
+ */
+@Target({ElementType.TYPE, ElementType.METHOD})
+@Retention(RetentionPolicy.RUNTIME)
+@Tag("flaky")
+public @interface FlakyTest {
+
+    /**
+     * Use to explain why the test is flaky
+     */
+    String description() default "";
+}