build the correct error

Author: rbri

src/test/java/org/htmlunit/general/ElementOwnPropertiesTest.java

@@ -14989,8 +14989,8 @@ public void pointerEvent2() throws Exception {
             EDGE = "constructor(),deltaMode[GCE],deltaX[GCE],deltaY[GCE],deltaZ[GCE],DOM_DELTA_LINE[E],"
                 + "DOM_DELTA_PAGE[E],DOM_DELTA_PIXEL[E],wheelDelta[GCE],wheelDeltaX[GCE],"
                 + "wheelDeltaY[GCE]",
-            FF = "NotSupportedError",
-            FF_ESR = "NotSupportedError")
+            FF = "NotSupportedError/DOMException",
+            FF_ESR = "NotSupportedError/DOMException")
     @HtmlUnitNYI(CHROME = "constructor(),DOM_DELTA_LINE[E],DOM_DELTA_PAGE[E],DOM_DELTA_PIXEL[E]",
             EDGE = "constructor(),DOM_DELTA_LINE[E],DOM_DELTA_PAGE[E],DOM_DELTA_PIXEL[E]")
     public void wheelEvent() throws Exception {
@@ -15391,10 +15391,10 @@ public void slot() throws Exception {
                 + "scrollingElement[GCE],selectedStyleSheetSet[GSCE],styleSheets[GCE],styleSheetSets[GCE],"
                 + "timeline[GCE],title[GSCE],URL[GCE],visibilityState[GCE],vlinkColor[GSCE],write(),"
                 + "writeln()")
-    @HtmlUnitNYI(CHROME = "InternalError",
-            EDGE = "InternalError",
-            FF_ESR = "InternalError",
-            FF = "InternalError")
+    @HtmlUnitNYI(CHROME = "InternalError/InternalError",
+            EDGE = "InternalError/InternalError",
+            FF_ESR = "InternalError/InternalError",
+            FF = "InternalError/InternalError")
     public void document() throws Exception {
         testString("", "new Document()");
     }

src/test/java/org/htmlunit/general/ElementOwnPropertySymbolsTest.java

@@ -2269,8 +2269,8 @@ public void pointerEvent2() throws Exception {
      */
     @Test
     @Alerts(DEFAULT = "Symbol(Symbol.toStringTag) [C] [WheelEvent]",
-            FF = "NotSupportedError",
-            FF_ESR = "NotSupportedError")
+            FF = "NotSupportedError/DOMException",
+            FF_ESR = "NotSupportedError/DOMException")
     public void wheelEvent() throws Exception {
         testString("", "document.createEvent('WheelEvent')");
     }
@@ -2394,10 +2394,10 @@ public void slot() throws Exception {
             FF_ESR = "Symbol(Symbol.toStringTag) [C] [Document],"
                     + "Symbol(Symbol.unscopables) [C] [{\"fullscreen\":true,\"prepend\":true,"
                     + "\"append\":true,\"replaceChildren\":true}]")
-    @HtmlUnitNYI(CHROME = "InternalError",
-            EDGE = "InternalError",
-            FF = "InternalError",
-            FF_ESR = "InternalError")
+    @HtmlUnitNYI(CHROME = "InternalError/InternalError",
+            EDGE = "InternalError/InternalError",
+            FF = "InternalError/InternalError",
+            FF_ESR = "InternalError/InternalError")
     public void document() throws Exception {
         testString("", "new Document()");
     }