urlmon: Added about:blank IUri test.

dlls/urlmon/tests/uri.c

@@ -4181,6 +4181,34 @@ static const uri_properties uri_tests[] = {
             {URL_SCHEME_UNKNOWN,S_OK,FALSE},
             {URLZONE_INVALID,E_NOTIMPL,FALSE}
         }
+    },
+    {   "about:blank", 0, S_OK, FALSE,
+        Uri_HAS_ABSOLUTE_URI|Uri_HAS_DISPLAY_URI|Uri_HAS_PATH|Uri_HAS_PATH_AND_QUERY|Uri_HAS_RAW_URI|
+        Uri_HAS_SCHEME_NAME|Uri_HAS_HOST_TYPE|Uri_HAS_SCHEME,
+        FALSE,
+        {
+            {"about:blank",S_OK,FALSE},
+            {"",S_FALSE,FALSE},
+            {"about:blank",S_OK,FALSE},
+            {"",S_FALSE,FALSE},
+            {"",S_FALSE,FALSE},
+            {"",S_FALSE,FALSE},
+            {"",S_FALSE,FALSE},
+            {"",S_FALSE,FALSE},
+            {"blank",S_OK,FALSE},
+            {"blank",S_OK,FALSE},
+            {"",S_FALSE,FALSE},
+            {"about:blank",S_OK,FALSE},
+            {"about",S_OK,FALSE},
+            {"",S_FALSE,FALSE},
+            {"",S_FALSE,FALSE}
+        },
+        {
+            {0,S_OK,FALSE},
+            {0,S_FALSE,FALSE},
+            {URL_SCHEME_ABOUT,S_OK,FALSE},
+            {URLZONE_INVALID,E_NOTIMPL,FALSE}
+        }
     }
 };