Add gtest to fix unit test compilation.

PiperOrigin-RevId: 450862787
diff --git a/migrator/rs_from_cc/BUILD b/migrator/rs_from_cc/BUILD
index 0635daa..557f69d 100644
--- a/migrator/rs_from_cc/BUILD
+++ b/migrator/rs_from_cc/BUILD
@@ -68,9 +68,10 @@
     srcs = ["rs_from_cc_lib_test.cc"],
     deps = [
         ":rs_from_cc_lib",
-        "//testing/base/public:gunit_main",
+        "@com_google_googletest//:gtest_main",
         "@absl//absl/status",
         "@absl//absl/strings",
+        "//common:status_test_matchers",
         "@llvm-project//clang:ast",
     ],
 )