E2E tests: Try fixing 'networkidle' timeout errors (#51826)

* Remove 'no-store' from the Cache-Control header when running E2E tests * Fix PHP lint errors
WordPress · Jun 23, 2023 · d978b0b · d978b0b · github-actions · Jun 23, 2023
1 parent 50a754d
commit d978b0b
Showing 1 changed file with 21 additions and 0 deletions.
diff --git a/packages/e2e-tests/mu-plugins/nocache-headers.php b/packages/e2e-tests/mu-plugins/nocache-headers.php
@@ -0,0 +1,21 @@
+<?php
+/**
+ * Plugin Name: Gutenberg Test Plugin, No-cache Headers
+ * Plugin URI: https://github.com/WordPress/gutenberg
+ * Author: Gutenberg Team
+ *
+ * @package gutenberg-test-nocache-headers
+ */
+
+// Remove 'no-store' from the Cache-Control header set by WordPress when running
+// E2E tests. This is a workaround for an issue where E2E tests time out waiting
+// for 'networkidle'.
+add_filter(
+	'nocache_headers',
+	static function( $headers ) {
+		$cache_control_parts      = explode( ', ', $headers['Cache-Control'] );
+		$cache_control_parts      = array_diff( $cache_control_parts, array( 'no-store' ) );
+		$headers['Cache-Control'] = implode( ', ', $cache_control_parts );
+		return $headers;
+	}
+);