Add 'exit' label and variable initialization to relevant test suite functions
diff --git a/tests/suites/test_suite_gcm.function b/tests/suites/test_suite_gcm.function
index 3167bdb..c30b755 100644
--- a/tests/suites/test_suite_gcm.function
+++ b/tests/suites/test_suite_gcm.function
@@ -51,6 +51,7 @@
         TEST_ASSERT( strcmp( (char *) tag_str, hex_tag_string ) == 0 );
     }
 
+exit:
     gcm_free( &ctx );
 }
 /* END_CASE */
@@ -106,6 +107,7 @@
         }
     }
 
+exit:
     gcm_free( &ctx );
 }
 /* END_CASE */