test: fix single test runner regression

Refs: #15300

Author: TimothyGu

tools/test.py

@@ -789,7 +789,7 @@ def Contains(self, path, file):
     if len(path) > len(file):
       return False
     for i in xrange(len(path)):
-      if not path[i].match(file[i]):
+      if not path[i].match(NormalizePath(file[i])):
         return False
     return True