diff --git a/org.eclipse.wb.tests/src/org/eclipse/wb/tests/designer/swing/model/bean/ActionGefTest.java b/org.eclipse.wb.tests/src/org/eclipse/wb/tests/designer/swing/model/bean/ActionGefTest.java
index faf4079a8..ebad6ec8c 100644
--- a/org.eclipse.wb.tests/src/org/eclipse/wb/tests/designer/swing/model/bean/ActionGefTest.java
+++ b/org.eclipse.wb.tests/src/org/eclipse/wb/tests/designer/swing/model/bean/ActionGefTest.java
@@ -12,6 +12,7 @@
  *******************************************************************************/
 package org.eclipse.wb.tests.designer.swing.model.bean;
 
+import org.eclipse.wb.internal.core.EnvironmentUtils;
 import org.eclipse.wb.internal.swing.model.bean.ActionContainerInfo;
 import org.eclipse.wb.internal.swing.model.bean.ActionInfo;
 import org.eclipse.wb.internal.swing.model.component.ComponentInfo;
@@ -29,6 +30,8 @@
 import org.eclipse.gef.Tool;
 import org.eclipse.swtbot.swt.finder.SWTBot;
 
+import static org.junit.jupiter.api.Assumptions.assumeFalse;
+
 import org.apache.commons.lang3.function.FailableConsumer;
 import org.apache.commons.lang3.function.FailableRunnable;
 import org.junit.jupiter.api.Test;
@@ -233,6 +236,7 @@ public Test() {
 	 */
 	@Test
 	public void test_JToolBar_ActionExternalEntryInfo() throws Exception {
+		assumeFalse(EnvironmentUtils.IS_WINDOWS);
 		createExternalAction();
 		final ContainerInfo panel = openContainer("""
 				public class Test extends JPanel {