test: update url test for win

PR-URL: #35622
Fixes: #35621
Reviewed-By: Gerhard Stöbich <deb2001-github@yahoo.de>
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Richard Lau <rlau@redhat.com>

test/cctest/test_url.cc

@@ -136,15 +136,15 @@ TEST_F(URLTest, FromFilePath) {
 #ifdef _WIN32
   file_url = URL::FromFilePath("C:\\Program Files\\");
   EXPECT_EQ("file:", file_url.protocol());
-  EXPECT_EQ("/C:/Program%20Files/", file_url.path());
+  EXPECT_EQ("//C:/Program%20Files/", file_url.path());
 
   file_url = URL::FromFilePath("C:\\a\\b\\c");
   EXPECT_EQ("file:", file_url.protocol());
-  EXPECT_EQ("/C:/a/b/c", file_url.path());
+  EXPECT_EQ("//C:/a/b/c", file_url.path());
 
   file_url = URL::FromFilePath("b:\\a\\%%.js");
   EXPECT_EQ("file:", file_url.protocol());
-  EXPECT_EQ("/b:/a/%25%25.js", file_url.path());
+  EXPECT_EQ("//b:/a/%25%25.js", file_url.path());
 #else
   file_url = URL::FromFilePath("/");
   EXPECT_EQ("file:", file_url.protocol());