Merge pull request #1542 from bettio/add-test-fflush

test: add extra fflush()

Make sure everything is flushed before and after running a test, so we make sure
output will never be mixed up.

These changes are made under both the "Apache 2.0" and the "GNU Lesser General
Public License 2.1 or later" license terms (dual license).

SPDX-License-Identifier: Apache-2.0 OR LGPL-2.1-or-later

Author: bettio

tests/test.c

@@ -640,7 +640,9 @@ int test_module_execution(bool beam, struct Test *test)
         return 0;
     }
     fprintf(stderr, "%s:\r", test->test_module);
+    fflush(NULL);
     int result = beam ? test_beam(test) : test_atom(test);
+    fflush(NULL);
     if (result) {
         fprintf(stderr, "\x1b[2K\x1b[1;31m%s:\x1b[34GFAILED\x1b[0m\n", test->test_module);
         return 1;