Enable test case common/230 on msys2

Implemented 'windows' and '!windows' as platform value in test
configuration for this.
In MSVC environment this test is ignored anyway since make command is
not available.

data/test.schema.json

@@ -43,7 +43,9 @@
               "msvc",
               "gcc",
               "cygwin",
-              "!cygwin"
+              "!cygwin",
+              "windows",
+              "!windows"
             ]
           },
           "version": {