diff --git a/org.eclipse.wb.tests/src/org/eclipse/wb/tests/designer/swing/model/layout/MigLayout/MigLayoutConstraintsTest.java b/org.eclipse.wb.tests/src/org/eclipse/wb/tests/designer/swing/model/layout/MigLayout/MigLayoutConstraintsTest.java
index 58bcb143a..c5f863336 100644
--- a/org.eclipse.wb.tests/src/org/eclipse/wb/tests/designer/swing/model/layout/MigLayout/MigLayoutConstraintsTest.java
+++ b/org.eclipse.wb.tests/src/org/eclipse/wb/tests/designer/swing/model/layout/MigLayout/MigLayoutConstraintsTest.java
@@ -992,6 +992,7 @@ public void accept(SWTBot bot) {
 					"  }",
 					"}");
 		}
+		waitEventLoop(5);
 		// open dialog, commit changes
 		new UiContext().executeAndCheck(new FailableRunnable<>() {
 			@Override