Fix GN unittests on windows broken by abs-path change

tools/gn/function_get_path_info_unittest.cc

Index: tools/gn/function_get_path_info_unittest.cc
diff --git a/tools/gn/function_get_path_info_unittest.cc b/tools/gn/function_get_path_info_unittest.cc
index 5a8c4550a3b2c7d6a743bc03279578545cb408a9..e9746a7f433bd79626a5ec31466a8a09857c8e27 100644
--- a/tools/gn/function_get_path_info_unittest.cc
+++ b/tools/gn/function_get_path_info_unittest.cc
@@ -114,6 +114,6 @@ TEST_F(GetPathInfoTest, GenDir) {
   EXPECT_EQ("//out/Debug/gen/ABS_PATH/foo", Call("/foo/bar.txt", "gen_dir"));
 #if defined(OS_WIN)
   EXPECT_EQ("//out/Debug/gen/ABS_PATH/C/foo",
-            Call("/C:/foo/bar.txt", "out_dir"));
+            Call("/C:/foo/bar.txt", "gen_dir"));
 #endif
 }