Update copyright to 2015
diff --git a/test/core/end2end/end2end_tests.h b/test/core/end2end/end2end_tests.h
index e222ed6..3211fff 100644
--- a/test/core/end2end/end2end_tests.h
+++ b/test/core/end2end/end2end_tests.h
@@ -1,6 +1,6 @@
 /*
  *
- * Copyright 2014, Google Inc.
+ * Copyright 2015, Google Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -63,4 +63,4 @@
 
 void grpc_end2end_tests(grpc_end2end_test_config config);
 
-#endif /* __GRPC_TEST_END2END_END2END_TESTS_H__ */
+#endif /* __GRPC_TEST_END2END_END2END_TESTS_H__ */
\ No newline at end of file