diff --git a/graalpython/com.oracle.graal.python.test.integration/src/com/oracle/graal/python/test/integration/Utils.java b/graalpython/com.oracle.graal.python.test.integration/src/com/oracle/graal/python/test/integration/Utils.java
index e47f5fa149..591dbc8015 100644
--- a/graalpython/com.oracle.graal.python.test.integration/src/com/oracle/graal/python/test/integration/Utils.java
+++ b/graalpython/com.oracle.graal.python.test.integration/src/com/oracle/graal/python/test/integration/Utils.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2021, 2025, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2021, 2026, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * The Universal Permissive License (UPL), Version 1.0
@@ -47,6 +47,7 @@
 
 public class Utils {
     public static final boolean IS_WINDOWS = System.getProperty("os.name").toLowerCase(Locale.ROOT).contains("windows");
+    public static final boolean SUPPORTS_PANAMA = Runtime.version().feature() >= 22;
 
     public static String getThreadDump() {
         ThreadMXBean threadMXBean = ManagementFactory.getThreadMXBean();
diff --git a/graalpython/com.oracle.graal.python.test.integration/src/com/oracle/graal/python/test/integration/advanced/AsyncActionThreadingTest.java b/graalpython/com.oracle.graal.python.test.integration/src/com/oracle/graal/python/test/integration/advanced/AsyncActionThreadingTest.java
index c56be42646..ca05802955 100644
--- a/graalpython/com.oracle.graal.python.test.integration/src/com/oracle/graal/python/test/integration/advanced/AsyncActionThreadingTest.java
+++ b/graalpython/com.oracle.graal.python.test.integration/src/com/oracle/graal/python/test/integration/advanced/AsyncActionThreadingTest.java
@@ -40,6 +40,7 @@
  */
 package com.oracle.graal.python.test.integration.advanced;
 
+import static com.oracle.graal.python.test.integration.Utils.SUPPORTS_PANAMA;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertTrue;
 
@@ -77,7 +78,7 @@ Stream<Thread> pythonThreads() {
     @Test
     public void testNoNewThreadsWithoutAutomaticAsyncActions() {
         Assume.assumeTrue("false".equalsIgnoreCase(System.getProperty("python.AutomaticAsyncActions")));
-        Assume.assumeTrue("Requires JEP 454 support for _testcapi", Runtime.version().feature() >= 22);
+        Assume.assumeTrue("Requires JEP 454 support for _testcapi", SUPPORTS_PANAMA);
         long threadCount = pythonThreadCount();
         Context c = PythonTests.enterContext(Map.of("python.AllowSignalHandlers", "true", "python.PosixModuleBackend", "native"), new String[0]);
         try {
diff --git a/graalpython/com.oracle.graal.python.test.integration/src/com/oracle/graal/python/test/integration/advanced/NativeExtTest.java b/graalpython/com.oracle.graal.python.test.integration/src/com/oracle/graal/python/test/integration/advanced/NativeExtTest.java
index 1dc193ed0d..0fdf6e15aa 100644
--- a/graalpython/com.oracle.graal.python.test.integration/src/com/oracle/graal/python/test/integration/advanced/NativeExtTest.java
+++ b/graalpython/com.oracle.graal.python.test.integration/src/com/oracle/graal/python/test/integration/advanced/NativeExtTest.java
@@ -40,6 +40,8 @@
  */
 package com.oracle.graal.python.test.integration.advanced;
 
+import static com.oracle.graal.python.test.integration.Utils.SUPPORTS_PANAMA;
+
 import java.io.IOException;
 import java.nio.file.Files;
 import java.nio.file.Path;
@@ -64,7 +66,7 @@ public class NativeExtTest {
     @BeforeClass
     public static void setUpClass() {
         Assume.assumeFalse(System.getProperty("os.name").toLowerCase().contains("mac"));
-        Assume.assumeTrue(Runtime.version().feature() >= 22);
+        Assume.assumeTrue(SUPPORTS_PANAMA);
     }
 
     @Test
diff --git a/graalpython/com.oracle.graal.python.test.integration/src/com/oracle/graal/python/test/integration/advanced/ShutdownTest.java b/graalpython/com.oracle.graal.python.test.integration/src/com/oracle/graal/python/test/integration/advanced/ShutdownTest.java
index b7cd9025f8..895ca8f050 100644
--- a/graalpython/com.oracle.graal.python.test.integration/src/com/oracle/graal/python/test/integration/advanced/ShutdownTest.java
+++ b/graalpython/com.oracle.graal.python.test.integration/src/com/oracle/graal/python/test/integration/advanced/ShutdownTest.java
@@ -40,6 +40,8 @@
  */
 package com.oracle.graal.python.test.integration.advanced;
 
+import static com.oracle.graal.python.test.integration.Utils.SUPPORTS_PANAMA;
+
 import java.util.concurrent.CountDownLatch;
 import java.util.concurrent.TimeUnit;
 import java.util.concurrent.atomic.AtomicReference;
@@ -59,7 +61,7 @@ public class ShutdownTest extends PythonTests {
     @BeforeClass
     public static void setUpClass() {
         Assume.assumeFalse(System.getProperty("os.name").toLowerCase().contains("mac"));
-        Assume.assumeTrue(Runtime.version().feature() >= 22);
+        Assume.assumeTrue(SUPPORTS_PANAMA);
     }
 
     @Test
diff --git a/graalpython/com.oracle.graal.python.test/src/com/oracle/graal/python/cext/test/MultithreadedImportTestJava.java b/graalpython/com.oracle.graal.python.test/src/com/oracle/graal/python/cext/test/MultithreadedImportTestJava.java
index 87649f163f..1c6f3e8406 100644
--- a/graalpython/com.oracle.graal.python.test/src/com/oracle/graal/python/cext/test/MultithreadedImportTestJava.java
+++ b/graalpython/com.oracle.graal.python.test/src/com/oracle/graal/python/cext/test/MultithreadedImportTestJava.java
@@ -41,6 +41,7 @@
 package com.oracle.graal.python.cext.test;
 
 import static com.oracle.graal.python.cext.test.MultithreadedImportTestBase.multithreadedImportTest;
+import static com.oracle.graal.python.test.integration.Utils.SUPPORTS_PANAMA;
 
 import org.graalvm.polyglot.Context;
 import org.junit.Assume;
@@ -50,7 +51,7 @@
 public class MultithreadedImportTestJava {
     @BeforeClass
     public static void setUpClass() {
-        Assume.assumeTrue(Runtime.version().feature() >= 22);
+        Assume.assumeTrue(SUPPORTS_PANAMA);
     }
 
     @Test
diff --git a/graalpython/com.oracle.graal.python.test/src/com/oracle/graal/python/cext/test/MultithreadedImportTestNative.java b/graalpython/com.oracle.graal.python.test/src/com/oracle/graal/python/cext/test/MultithreadedImportTestNative.java
index 0eb9ee8f69..6d27eedf37 100644
--- a/graalpython/com.oracle.graal.python.test/src/com/oracle/graal/python/cext/test/MultithreadedImportTestNative.java
+++ b/graalpython/com.oracle.graal.python.test/src/com/oracle/graal/python/cext/test/MultithreadedImportTestNative.java
@@ -40,6 +40,8 @@
  */
 package com.oracle.graal.python.cext.test;
 
+import static com.oracle.graal.python.test.integration.Utils.SUPPORTS_PANAMA;
+
 import org.graalvm.polyglot.Context;
 import org.junit.Assume;
 import org.junit.BeforeClass;
@@ -48,7 +50,7 @@
 public class MultithreadedImportTestNative extends MultithreadedImportTestBase {
     @BeforeClass
     public static void setUpClass() {
-        Assume.assumeTrue(Runtime.version().feature() >= 22);
+        Assume.assumeTrue(SUPPORTS_PANAMA);
     }
 
     @Test
diff --git a/graalpython/com.oracle.graal.python.test/src/com/oracle/graal/python/test/SocketTests.java b/graalpython/com.oracle.graal.python.test/src/com/oracle/graal/python/test/SocketTests.java
index 24c5b8321f..df3344a028 100644
--- a/graalpython/com.oracle.graal.python.test/src/com/oracle/graal/python/test/SocketTests.java
+++ b/graalpython/com.oracle.graal.python.test/src/com/oracle/graal/python/test/SocketTests.java
@@ -74,6 +74,7 @@
 import static com.oracle.graal.python.runtime.PosixConstants.SO_TYPE;
 import static com.oracle.graal.python.runtime.PosixConstants.TCP_NODELAY;
 import static com.oracle.graal.python.runtime.PosixConstants.TCP_USER_TIMEOUT;
+import static com.oracle.graal.python.test.integration.Utils.SUPPORTS_PANAMA;
 import static com.oracle.graal.python.util.PythonUtils.toTruffleStringUncached;
 import static org.hamcrest.CoreMatchers.anyOf;
 import static org.hamcrest.CoreMatchers.equalTo;
@@ -142,7 +143,7 @@ public class SocketTests {
 
     @Parameters(name = "{0}")
     public static String[] params() {
-        return new String[]{"native", "java"};
+        return SUPPORTS_PANAMA ? new String[]{"java", "native"} : new String[]{"java"};
     }
 
     @Rule public WithPythonContextRule withPythonContextRule = new WithPythonContextRule((o) -> o.put("python.PosixModuleBackend", backendName));
diff --git a/graalpython/com.oracle.graal.python.test/src/com/oracle/graal/python/test/builtin/modules/PathConversionNodeTests.java b/graalpython/com.oracle.graal.python.test/src/com/oracle/graal/python/test/builtin/modules/PathConversionNodeTests.java
index 387006db46..f6d9b140f8 100644
--- a/graalpython/com.oracle.graal.python.test/src/com/oracle/graal/python/test/builtin/modules/PathConversionNodeTests.java
+++ b/graalpython/com.oracle.graal.python.test/src/com/oracle/graal/python/test/builtin/modules/PathConversionNodeTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2020, 2025, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2020, 2026, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * The Universal Permissive License (UPL), Version 1.0
@@ -42,6 +42,7 @@
 
 import static com.oracle.graal.python.test.PythonTests.ts;
 import static com.oracle.graal.python.test.integration.Utils.IS_WINDOWS;
+import static com.oracle.graal.python.test.integration.Utils.SUPPORTS_PANAMA;
 import static com.oracle.graal.python.util.PythonUtils.TS_ENCODING;
 
 import java.math.BigInteger;
@@ -83,7 +84,7 @@ public class PathConversionNodeTests extends ConversionNodeTests {
 
     @Parameters(name = "{0}")
     public static String[] params() {
-        return new String[]{"java", "native"};
+        return SUPPORTS_PANAMA ? new String[]{"java", "native"} : new String[]{"java"};
     }
 
     @Before
diff --git a/graalpython/com.oracle.graal.python.test/src/com/oracle/graal/python/test/builtin/objects/TpSlotsTests.java b/graalpython/com.oracle.graal.python.test/src/com/oracle/graal/python/test/builtin/objects/TpSlotsTests.java
index 85c30f5d3f..5e008508c1 100644
--- a/graalpython/com.oracle.graal.python.test/src/com/oracle/graal/python/test/builtin/objects/TpSlotsTests.java
+++ b/graalpython/com.oracle.graal.python.test/src/com/oracle/graal/python/test/builtin/objects/TpSlotsTests.java
@@ -40,6 +40,8 @@
  */
 package com.oracle.graal.python.test.builtin.objects;
 
+import static com.oracle.graal.python.test.integration.Utils.SUPPORTS_PANAMA;
+
 import java.util.EnumSet;
 
 import org.junit.After;
@@ -65,7 +67,7 @@ public class TpSlotsTests {
 
     @BeforeClass
     public static void setUpClass() {
-        Assume.assumeTrue(Runtime.version().feature() >= 22);
+        Assume.assumeTrue(SUPPORTS_PANAMA);
     }
 
     @Before
diff --git a/graalpython/com.oracle.graal.python.test/src/com/oracle/graal/python/test/builtin/objects/cext/SlotWrapperTests.java b/graalpython/com.oracle.graal.python.test/src/com/oracle/graal/python/test/builtin/objects/cext/SlotWrapperTests.java
index 13e633f01a..9970dc920c 100644
--- a/graalpython/com.oracle.graal.python.test/src/com/oracle/graal/python/test/builtin/objects/cext/SlotWrapperTests.java
+++ b/graalpython/com.oracle.graal.python.test/src/com/oracle/graal/python/test/builtin/objects/cext/SlotWrapperTests.java
@@ -40,6 +40,7 @@
  */
 package com.oracle.graal.python.test.builtin.objects.cext;
 
+import static com.oracle.graal.python.test.integration.Utils.SUPPORTS_PANAMA;
 import static org.hamcrest.CoreMatchers.equalTo;
 import static org.hamcrest.CoreMatchers.instanceOf;
 import static org.hamcrest.CoreMatchers.not;
@@ -72,7 +73,7 @@ public class SlotWrapperTests {
     @BeforeClass
     public static void setUpClass() {
         Assume.assumeFalse(System.getProperty("os.name").toLowerCase().contains("mac"));
-        Assume.assumeTrue(Runtime.version().feature() >= 22);
+        Assume.assumeTrue(SUPPORTS_PANAMA);
     }
 
     @Before
diff --git a/graalpython/com.oracle.graal.python.test/src/com/oracle/graal/python/test/nodes/MemMoveNodeTests.java b/graalpython/com.oracle.graal.python.test/src/com/oracle/graal/python/test/nodes/MemMoveNodeTests.java
index c472150be6..a9fec087cb 100644
--- a/graalpython/com.oracle.graal.python.test/src/com/oracle/graal/python/test/nodes/MemMoveNodeTests.java
+++ b/graalpython/com.oracle.graal.python.test/src/com/oracle/graal/python/test/nodes/MemMoveNodeTests.java
@@ -40,6 +40,8 @@
  */
 package com.oracle.graal.python.test.nodes;
 
+import static com.oracle.graal.python.test.integration.Utils.SUPPORTS_PANAMA;
+
 import com.oracle.graal.python.builtins.objects.PNone;
 import com.oracle.graal.python.builtins.objects.cext.capi.CApiContext;
 import com.oracle.graal.python.builtins.objects.common.SequenceStorageNodes.MemMoveNode;
@@ -68,7 +70,7 @@ public class MemMoveNodeTests {
     @BeforeClass
     public static void setUpClass() {
         Assume.assumeFalse(System.getProperty("os.name").toLowerCase().contains("mac"));
-        Assume.assumeTrue(Runtime.version().feature() >= 22);
+        Assume.assumeTrue(SUPPORTS_PANAMA);
     }
 
     @Before