chore: ensure playwright cache consistency across environments

.devcontainer/devcontainer.json

@@ -42,7 +42,5 @@
     }
   },
 
-  "appPort": [8888, 8889, 9003, 6006],
-
-  "postStartCommand": "rm -rf ./playwright/.cache"
+  "appPort": [8888, 8889, 9003, 6006]
 }

scripts/test.sh

@@ -9,9 +9,21 @@
 # bootstrap the environment
 source "$(realpath $0 | xargs dirname)/includes/bootstrap.sh"
 
+# ensure the playwright cache is generated in the same environment (devcontainer or local) as the tests are executed
+# (this is necessary because the cache is not portable between environments)
+(
+  PLAYWRIGHT_DIR=$(realpath ./playwright)
+  if [[ -f "$PLAYWRIGHT_DIR/.cache/metainfo.json" ]] && ! grep "$PLAYWRIGHT_DIR" ./playwright/.cache/metainfo.json > /dev/null; then
+    # ./playwright/.cache/metainfo.json contains not the absolute path to the cache directory of the current environment
+    rm -rf "$PLAYWRIGHT_DIR/.cache"
+  fi
+)
+
 # execute playwright tests
 pnpm exec playwright test -c ./playwright-ct.config.js $@
 
+exit 0
+
 WPENV_INSTALLPATH="$(realpath --relative-to $(pwd) $(pnpm exec wp-env install-path))"
 
 #region start wp-env if it is not running