diff --git a/core/src/test/java/io/kestra/core/runners/AbstractRunnerConcurrencyTest.java b/core/src/test/java/io/kestra/core/runners/AbstractRunnerConcurrencyTest.java
new file mode 100644
index 0000000000..330950fc9e
--- /dev/null
+++ b/core/src/test/java/io/kestra/core/runners/AbstractRunnerConcurrencyTest.java
@@ -0,0 +1,91 @@
+package io.kestra.core.runners;
+
+import io.kestra.core.junit.annotations.FlakyTest;
+import io.kestra.core.junit.annotations.KestraTest;
+import io.kestra.core.junit.annotations.LoadFlows;
+import jakarta.inject.Inject;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.TestInstance;
+
+@KestraTest(startRunner = true)
+@TestInstance(TestInstance.Lifecycle.PER_CLASS)
+public abstract class AbstractRunnerConcurrencyTest {
+    public static final String TENANT_1 = "tenant1";
+
+    @Inject
+    protected FlowConcurrencyCaseTest flowConcurrencyCaseTest;
+
+    @Test
+    @LoadFlows({"flows/valids/flow-concurrency-cancel.yml"})
+    void concurrencyCancel() throws Exception {
+        flowConcurrencyCaseTest.flowConcurrencyCancel();
+    }
+
+    @Test
+    @LoadFlows({"flows/valids/flow-concurrency-fail.yml"})
+    void concurrencyFail() throws Exception {
+        flowConcurrencyCaseTest.flowConcurrencyFail();
+    }
+
+    @Test
+    @LoadFlows({"flows/valids/flow-concurrency-queue.yml"})
+    void concurrencyQueue() throws Exception {
+        flowConcurrencyCaseTest.flowConcurrencyQueue();
+    }
+
+    @Test
+    @LoadFlows({"flows/valids/flow-concurrency-queue-pause.yml"})
+    protected void concurrencyQueuePause() throws Exception {
+        flowConcurrencyCaseTest.flowConcurrencyQueuePause();
+    }
+
+    @Test
+    @LoadFlows({"flows/valids/flow-concurrency-cancel-pause.yml"})
+    protected void concurrencyCancelPause() throws Exception {
+        flowConcurrencyCaseTest.flowConcurrencyCancelPause();
+    }
+
+    @Test
+    @LoadFlows(value = {"flows/valids/flow-concurrency-for-each-item.yaml", "flows/valids/flow-concurrency-queue.yml"}, tenantId = TENANT_1)
+    protected void flowConcurrencyWithForEachItem() throws Exception {
+        flowConcurrencyCaseTest.flowConcurrencyWithForEachItem(TENANT_1);
+    }
+
+    @Test
+    @LoadFlows({"flows/valids/flow-concurrency-queue-fail.yml"})
+    protected void concurrencyQueueRestarted() throws Exception {
+        flowConcurrencyCaseTest.flowConcurrencyQueueRestarted();
+    }
+
+    @Test
+    @LoadFlows({"flows/valids/flow-concurrency-queue-after-execution.yml"})
+    void concurrencyQueueAfterExecution() throws Exception {
+        flowConcurrencyCaseTest.flowConcurrencyQueueAfterExecution();
+    }
+
+    @Test
+    @LoadFlows(value = {"flows/valids/flow-concurrency-subflow.yml", "flows/valids/flow-concurrency-cancel.yml"}, tenantId = TENANT_1)
+    void flowConcurrencySubflow() throws Exception {
+        flowConcurrencyCaseTest.flowConcurrencySubflow(TENANT_1);
+    }
+
+    @Test
+    @FlakyTest(description = "Only flaky in CI")
+    @LoadFlows({"flows/valids/flow-concurrency-parallel-subflow-kill.yaml", "flows/valids/flow-concurrency-parallel-subflow-kill-child.yaml", "flows/valids/flow-concurrency-parallel-subflow-kill-grandchild.yaml"})
+    protected void flowConcurrencyParallelSubflowKill() throws Exception {
+        flowConcurrencyCaseTest.flowConcurrencyParallelSubflowKill();
+    }
+
+    @Test
+    @LoadFlows({"flows/valids/flow-concurrency-queue-killed.yml"})
+    void flowConcurrencyKilled() throws Exception {
+        flowConcurrencyCaseTest.flowConcurrencyKilled();
+    }
+
+    @Test
+    @FlakyTest(description = "Only flaky in CI")
+    @LoadFlows({"flows/valids/flow-concurrency-queue-killed.yml"})
+    void flowConcurrencyQueueKilled() throws Exception {
+        flowConcurrencyCaseTest.flowConcurrencyQueueKilled();
+    }
+}
diff --git a/core/src/test/java/io/kestra/core/runners/AbstractRunnerTest.java b/core/src/test/java/io/kestra/core/runners/AbstractRunnerTest.java
index 6ac9235694..43bbacffb7 100644
--- a/core/src/test/java/io/kestra/core/runners/AbstractRunnerTest.java
+++ b/core/src/test/java/io/kestra/core/runners/AbstractRunnerTest.java
@@ -66,9 +66,6 @@ public abstract class AbstractRunnerTest {
     @Inject
     protected LoopUntilCaseTest loopUntilTestCaseTest;
 
-    @Inject
-    protected FlowConcurrencyCaseTest flowConcurrencyCaseTest;
-
     @Inject
     protected ScheduleDateCaseTest scheduleDateCaseTest;
 
@@ -422,78 +419,6 @@ public abstract class AbstractRunnerTest {
         forEachItemCaseTest.forEachItemWithAfterExecution();
     }
 
-    @Test
-    @LoadFlows({"flows/valids/flow-concurrency-cancel.yml"})
-    void concurrencyCancel() throws Exception {
-        flowConcurrencyCaseTest.flowConcurrencyCancel();
-    }
-
-    @Test
-    @LoadFlows({"flows/valids/flow-concurrency-fail.yml"})
-    void concurrencyFail() throws Exception {
-        flowConcurrencyCaseTest.flowConcurrencyFail();
-    }
-
-    @Test
-    @LoadFlows({"flows/valids/flow-concurrency-queue.yml"})
-    void concurrencyQueue() throws Exception {
-        flowConcurrencyCaseTest.flowConcurrencyQueue();
-    }
-
-    @Test
-    @LoadFlows({"flows/valids/flow-concurrency-queue-pause.yml"})
-    protected void concurrencyQueuePause() throws Exception {
-        flowConcurrencyCaseTest.flowConcurrencyQueuePause();
-    }
-
-    @Test
-    @LoadFlows({"flows/valids/flow-concurrency-cancel-pause.yml"})
-    protected void concurrencyCancelPause() throws Exception {
-        flowConcurrencyCaseTest.flowConcurrencyCancelPause();
-    }
-
-    @Test
-    @LoadFlows(value = {"flows/valids/flow-concurrency-for-each-item.yaml", "flows/valids/flow-concurrency-queue.yml"}, tenantId = TENANT_1)
-    protected void flowConcurrencyWithForEachItem() throws Exception {
-        flowConcurrencyCaseTest.flowConcurrencyWithForEachItem(TENANT_1);
-    }
-
-    @Test
-    @LoadFlows({"flows/valids/flow-concurrency-queue-fail.yml"})
-    protected void concurrencyQueueRestarted() throws Exception {
-        flowConcurrencyCaseTest.flowConcurrencyQueueRestarted();
-    }
-
-    @Test
-    @LoadFlows({"flows/valids/flow-concurrency-queue-after-execution.yml"})
-    void concurrencyQueueAfterExecution() throws Exception {
-        flowConcurrencyCaseTest.flowConcurrencyQueueAfterExecution();
-    }
-
-    @Test
-    @LoadFlows(value = {"flows/valids/flow-concurrency-subflow.yml", "flows/valids/flow-concurrency-cancel.yml"}, tenantId = TENANT_1)
-    void flowConcurrencySubflow() throws Exception {
-        flowConcurrencyCaseTest.flowConcurrencySubflow(TENANT_1);
-    }
-
-    @Test
-    @LoadFlows({"flows/valids/flow-concurrency-parallel-subflow-kill.yaml", "flows/valids/flow-concurrency-parallel-subflow-kill-child.yaml", "flows/valids/flow-concurrency-parallel-subflow-kill-grandchild.yaml"})
-    void flowConcurrencyParallelSubflowKill() throws Exception {
-        flowConcurrencyCaseTest.flowConcurrencyParallelSubflowKill();
-    }
-
-    @Test
-    @LoadFlows({"flows/valids/flow-concurrency-queue-killed.yml"})
-    void flowConcurrencyKilled() throws Exception {
-        flowConcurrencyCaseTest.flowConcurrencyKilled();
-    }
-
-    @Test
-    @LoadFlows({"flows/valids/flow-concurrency-queue-killed.yml"})
-    void flowConcurrencyQueueKilled() throws Exception {
-        flowConcurrencyCaseTest.flowConcurrencyQueueKilled();
-    }
-
     @Test
     @ExecuteFlow("flows/valids/executable-fail.yml")
     void badExecutable(Execution execution) {
diff --git a/jdbc-h2/src/test/java/io/kestra/runner/h2/H2RunnerConcurrencyTest.java b/jdbc-h2/src/test/java/io/kestra/runner/h2/H2RunnerConcurrencyTest.java
new file mode 100644
index 0000000000..f4b5d590f1
--- /dev/null
+++ b/jdbc-h2/src/test/java/io/kestra/runner/h2/H2RunnerConcurrencyTest.java
@@ -0,0 +1,6 @@
+package io.kestra.runner.h2;
+
+import io.kestra.core.runners.AbstractRunnerConcurrencyTest;
+
+public class H2RunnerConcurrencyTest extends AbstractRunnerConcurrencyTest {
+}
diff --git a/jdbc-mysql/src/test/java/io/kestra/runner/mysql/MysqlRunnerConcurrencyTest.java b/jdbc-mysql/src/test/java/io/kestra/runner/mysql/MysqlRunnerConcurrencyTest.java
new file mode 100644
index 0000000000..e8deeb3fb2
--- /dev/null
+++ b/jdbc-mysql/src/test/java/io/kestra/runner/mysql/MysqlRunnerConcurrencyTest.java
@@ -0,0 +1,6 @@
+package io.kestra.runner.mysql;
+
+import io.kestra.core.runners.AbstractRunnerConcurrencyTest;
+
+public class MysqlRunnerConcurrencyTest extends AbstractRunnerConcurrencyTest {
+}
diff --git a/jdbc-postgres/src/test/java/io/kestra/runner/postgres/PostgresRunnerConcurrencyTest.java b/jdbc-postgres/src/test/java/io/kestra/runner/postgres/PostgresRunnerConcurrencyTest.java
new file mode 100644
index 0000000000..1df8d26ee8
--- /dev/null
+++ b/jdbc-postgres/src/test/java/io/kestra/runner/postgres/PostgresRunnerConcurrencyTest.java
@@ -0,0 +1,6 @@
+package io.kestra.runner.postgres;
+
+import io.kestra.core.runners.AbstractRunnerConcurrencyTest;
+
+public class PostgresRunnerConcurrencyTest extends AbstractRunnerConcurrencyTest {
+}