Cleanup AWTRobotUtil 3: TestUtil.WindowClosingListener must be public

1 files changed, 1 insertions, 1 deletions

diff --git a/src/test/com/jogamp/opengl/test/junit/util/TestUtil.java b/src/test/com/jogamp/opengl/test/junit/util/TestUtil.java
index cba8446f4..c4b95f06c 100644
--- a/src/test/com/jogamp/opengl/test/junit/util/TestUtil.java
+++ b/src/test/com/jogamp/opengl/test/junit/util/TestUtil.java
@@ -34,7 +34,7 @@ import com.jogamp.newt.Window;
 import jogamp.newt.WindowImplAccess;
 
 public abstract class TestUtil {
-    interface WindowClosingListener {
+    public static interface WindowClosingListener {
         void reset();
         public int getWindowClosingCount();
         public int getWindowClosedCount();