tests: config::stress: free `git_config` structs
diff --git a/tests/config/stress.c b/tests/config/stress.c
index 6e96042..a6b6655 100644
--- a/tests/config/stress.c
+++ b/tests/config/stress.c
@@ -126,4 +126,7 @@ void test_config_stress__quick_write(void)
cl_git_pass(git_config_get_int32(&val, config_r, key));
cl_assert_equal_i(i, val);
}
+
+ git_config_free(config_r);
+ git_config_free(config_w);
}