8299044: test/jdk/javax/swing/JComboBox/JComboBoxBorderTest.java fails on non mac

Reviewed-by: serb, honkar

Author: lawrence-andrew

test/jdk/javax/swing/JComboBox/JComboBoxBorderTest.java

@@ -24,6 +24,7 @@
 /*
  * @test
  * @bug 8054572
+ * @requires (os.family == "mac")
  * @library /java/awt/regtesthelpers
  * @build PassFailJFrame
  * @summary Tests if JComboBox displays correctly when editable/non-editable
@@ -92,4 +93,4 @@ public static void main(String[] args) throws Exception {
 
         pfjFrame.awaitAndCheck();
     }
-}
+}