[test] s/uexpectedly/unexpectedly/

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@304236 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/support/test_macros.h b/test/support/test_macros.h
index 6376862..cc2918a 100644
--- a/test/support/test_macros.h
+++ b/test/support/test_macros.h
@@ -195,7 +195,7 @@
 
 #define ASSERT_SAME_TYPE(...) \
     static_assert((test_macros_detail::is_same<__VA_ARGS__>::value), \
-                 "Types differ uexpectedly")
+                 "Types differ unexpectedly")
 
 #ifndef TEST_HAS_NO_EXCEPTIONS
 #define TEST_THROW(...) throw __VA_ARGS__