Merge "Track strerror(3) change." am: 3a9d577990 am: 8e1c59bf2a

Original change: https://android-review.googlesource.com/c/platform/system/libbase/+/1843536

Change-Id: I5869f2b4c243d264253bebcff5398dc511fbbbcb
diff --git a/file_test.cpp b/file_test.cpp
index 120228d..61dcc80 100644
--- a/file_test.cpp
+++ b/file_test.cpp
@@ -16,6 +16,7 @@
 
 #include "android-base/file.h"
 
+#include "android-base/test_utils.h"
 #include "android-base/utf8.h"
 
 #include <gtest/gtest.h>
@@ -248,7 +249,7 @@
   // Remove dir's search permission.
   ASSERT_TRUE(chmod(td.path, S_IRUSR | S_IWUSR) == 0);
   ASSERT_FALSE(android::base::RemoveFileIfExists(tf.path, &err));
-  ASSERT_EQ("Permission denied", err);
+  ASSERT_MATCH(err, "Permission denied.*");
   // Set dir's search permission again.
   ASSERT_TRUE(chmod(td.path, S_IRWXU) == 0);
   ASSERT_TRUE(android::base::RemoveFileIfExists(tf.path, &err));