gitlab-ci: create always the "results" directory with tracie

Otherwise, we will fail when the traces description file doesn't
contain any checksum for the specified device.

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>
(cherry picked from commit 8546d1dd78)

.gitlab-ci/tracie/tests/test.sh

@@ -86,6 +86,7 @@ tracie_fails_on_image_mismatch() {
 }
 
 tracie_skips_traces_without_checksum() {
+    echo "traces:" > "$TEST_DIR/tests/traces.yml"
     echo "  - path: trace1/red.testtrace" >> "$TEST_DIR/tests/traces.yml"
     echo "    expectations:" >> "$TEST_DIR/tests/traces.yml"
     echo "    - device: bla" >> "$TEST_DIR/tests/traces.yml"

.gitlab-ci/tracie/tracie.py

@@ -165,6 +165,7 @@ def main():
                 all_ok = all_ok and ok
                 results.update(result)
 
+    os.makedirs(RESULTS_PATH, exist_ok=True)
     with open(os.path.join(RESULTS_PATH, 'results.yml'), 'w') as f:
         yaml.safe_dump(results, f, default_flow_style=False)
 

.pick_status.json

@@ -31,7 +31,7 @@
         "description": "gitlab-ci: create always the \"results\" directory with tracie",
         "nominated": true,
         "nomination_type": 1,
-        "resolution": 0,
+        "resolution": 1,
         "master_sha": null,
         "because_sha": "efbbf8bb81e97a2b2d2e6e018750ef36cd460676"
     },