test: Make summary row bold-red if any test failed

Make the summary row of the test runner bold red if any test fails.
This helps visibility if something fails.

test/functional/test_runner.py

@@ -378,7 +378,11 @@ def print_results(test_results, max_len_name, runtime):
         results += str(test_result)
 
     status = TICK + "Passed" if all_passed else CROSS + "Failed"
+    if not all_passed:
+        results += RED[1]
     results += BOLD[1] + "\n%s | %s | %s s (accumulated) \n" % ("ALL".ljust(max_len_name), status.ljust(9), time_sum) + BOLD[0]
+    if not all_passed:
+        results += RED[0]
     results += "Runtime: %s s\n" % (runtime)
     print(results)