Bug 511874 [OS X] Browser's closeWindowListener NOTE

Added note to test case to make it easier to developers to find related
bug.

Change-Id: I9bfc4d779c4604a877be7b8b09a9af07d40b0da5
Signed-off-by: Leo Ufimtsev <lufimtse@redhat.com>
diff --git a/tests/org.eclipse.swt.tests/JUnit Tests/org/eclipse/swt/tests/junit/Test_org_eclipse_swt_browser_Browser.java b/tests/org.eclipse.swt.tests/JUnit Tests/org/eclipse/swt/tests/junit/Test_org_eclipse_swt_browser_Browser.java
index 0d4c315..8525306 100644
--- a/tests/org.eclipse.swt.tests/JUnit Tests/org/eclipse/swt/tests/junit/Test_org_eclipse_swt_browser_Browser.java
+++ b/tests/org.eclipse.swt.tests/JUnit Tests/org/eclipse/swt/tests/junit/Test_org_eclipse_swt_browser_Browser.java
@@ -760,6 +760,9 @@
  */
 @Test
 public void test_execute_and_closeListener () {
+	// This test appears to be failing only on OSX.
+	// See: https://bugs.eclipse.org/bugs/show_bug.cgi?id=511874
+
 	AtomicBoolean hasClosed = new AtomicBoolean(false);
 
 	browser.setText("You should not see this page, it should have been closed by javascript");