gitlab-ci: correct tracie behavior with replay errors

[dump_trace_images] Info: Dumping trace /tmp/tracie.test.ap5pshYcsg/traces-db/trace1/magenta.testtrace... ERROR
[dump_trace_images] Debug: === Failure log start ===
invalid literal for int() with base 16: 'in'
[dump_trace_images] Debug: === Failure log end ===
[check_image] Trace /tmp/tracie.test.ap5pshYcsg/traces-db/trace1/magenta.testtrace couldn't be replayed. See above logs for more information.
Traceback (most recent call last):
  File "/tmp/tracie.test.ap5pshYcsg/tracie.py", line 176, in <module>
    main()
  File "/tmp/tracie.test.ap5pshYcsg/tracie.py", line 164, in main
    ok, result = gitlab_check_trace(project_url, commit_id, args.device_name, trace, expectation)
TypeError: cannot unpack non-iterable bool object

Fixes: efbbf8bb81 ("tracie: Print results in a machine readable format")
Signed-off-by: Andres Gomez <agomez@igalia.com>
Reviewed-by: Rohan Garg <rohan.garg@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4839>

.gitlab-ci/tracie/tracie.py

@@ -106,11 +106,13 @@ def gitlab_check_trace(project_url, repo_commit, device_name, trace, expectation
 
     result = {}
     result[trace['path']] = {}
+    result[trace['path']]['expected'] = expectation['checksum']
 
     trace_path = Path(TRACES_DB_PATH + trace['path'])
     checksum, image_file, log_file = replay(trace_path, device_name)
     if checksum is None:
-        return False
+        result[trace['path']]['actual'] = 'error'
+        return False, result
     elif checksum == expectation['checksum']:
         print("[check_image] Images match for %s" % (trace['path']))
         ok = True
@@ -131,7 +133,6 @@ def gitlab_check_trace(project_url, repo_commit, device_name, trace, expectation
         shutil.move(image_file, os.path.join(results_path, image_name))
         result[trace['path']]['image'] = os.path.join(dir_in_results, image_name)
 
-    result[trace['path']]['expected'] = expectation['checksum']
     result[trace['path']]['actual'] = checksum
 
     return ok, result