mshtml/tests: Fix a test failure on NT4.

dlls/mshtml/tests/dom.c

@@ -2130,7 +2130,8 @@ static void _test_elem_filters(unsigned line, IUnknown *unk)
     IHTMLFiltersCollection *filters;
 
     hres = IHTMLElement_get_filters(elem, &filters);
-    ok_(__FILE__,line) (hres == S_OK, "get_filters failed: %08x\n", hres);
+    ok_(__FILE__,line) (hres == S_OK || broken(hres == REGDB_E_CLASSNOTREG) /* NT4 */,
+                        "get_filters failed: %08x\n", hres);
     if(hres == S_OK)
     {
         LONG len;
@@ -2141,7 +2142,8 @@ static void _test_elem_filters(unsigned line, IUnknown *unk)
         ok_(__FILE__,line) (len == 0, "expect 0 got %d\n", len);
 
         hres = IHTMLFiltersCollection_QueryInterface(filters, &IID_IDispatchEx, (void**)&dispex);
-        ok(hres == S_OK || broken(hres == E_NOINTERFACE), "Could not get IDispatchEx interface: %08x\n", hres);
+        ok_(__FILE__,line) (hres == S_OK || broken(hres == E_NOINTERFACE),
+                            "Could not get IDispatchEx interface: %08x\n", hres);
         if(SUCCEEDED(hres)) {
             test_disp((IUnknown*)filters, &IID_IHTMLFiltersCollection, "[object]");
             IDispatchEx_Release(dispex);