[gui-test] ExtendedButtonFixture: clickUntil - process another ignored exception

GitOrigin-RevId: ee3d4607c09e47d8383e50a1682c208158af4e6b

platform/testGuiFramework/src/com/intellij/testGuiFramework/fixtures/extended/ExtendedButtonFixture.kt

@@ -45,6 +45,11 @@ class ExtendedButtonFixture(robot: Robot, button: JButton) : JButtonFixture(robo
       catch (ignore: IllegalStateException){
         true
       }
+      catch (ignore: NullPointerException) {
+        // if button disappears at once after getting the NPE from fest might occur
+        // but it's ok - nothing to wait anymore
+        true
+      }
     }
   }