Corrections to the new functions names and error message wording

Signed-off-by: TRodziewicz <tomasz.rodziewicz@mobica.com>
diff --git a/tests/src/helpers.c b/tests/src/helpers.c
index bf25f21..e35ed62 100644
--- a/tests/src/helpers.c
+++ b/tests/src/helpers.c
@@ -276,11 +276,11 @@
 #endif
 
 #if defined(MBEDTLS_TEST_HOOKS)
-void mbedtls_test_hook_value_check( int test, const char * file, int line )
+void mbedtls_test_assert_test( int test, const char * file, int line )
 {
     if ( !test )
     {
-        mbedtls_test_fail( "Wrong value in test", line, file );
+        mbedtls_test_fail( "Test hook - test assertion failed.", line, file );
     }
 }
 #endif