@@ -579,31 +579,63 @@ public function data_get_items_query_args() {
 	}
 
 	/**
-	 * @doesNotPerformAssertions
+	 * Pattern directory has no item route.
+	 *
+	 * @ticket 66073
 	 */
 	public function test_get_item() {
-		// Controller does not implement get_item().
+		wp_set_current_user( self::$contributor_id );
+
+		$request  = new WP_REST_Request( 'GET', '/wp/v2/pattern-directory/patterns/1' );
+		$response = rest_get_server()->dispatch( $request );
+
+		$this->assertErrorResponse( 'rest_no_route', $response, 404 );
 	}
 
 	/**
-	 * @doesNotPerformAssertions
+	 * Pattern directory is read-only; create requests should not match a route.
+	 *
+	 * @ticket 66073
 	 */
 	public function test_create_item() {
-		// Controller does not implement create_item().
+		wp_set_current_user( self::$contributor_id );
+
+		$request = new WP_REST_Request( 'POST', '/wp/v2/pattern-directory/patterns' );
+		$request->set_param( 'title', 'Example pattern' );
+
+		$response = rest_get_server()->dispatch( $request );
+
+		$this->assertErrorResponse( 'rest_no_route', $response, 404 );
 	}
 
 	/**
-	 * @doesNotPerformAssertions
+	 * Pattern directory has no item route; update requests should not match a route.
+	 *
+	 * @ticket 66073
 	 */
 	public function test_update_item() {
-		// Controller does not implement update_item().
+		wp_set_current_user( self::$contributor_id );
+
+		$request = new WP_REST_Request( 'POST', '/wp/v2/pattern-directory/patterns/1' );
+		$request->set_param( 'title', 'Updated' );
+
+		$response = rest_get_server()->dispatch( $request );
+
+		$this->assertErrorResponse( 'rest_no_route', $response, 404 );
 	}
 
 	/**
-	 * @doesNotPerformAssertions
+	 * Pattern directory has no item route; delete requests should not match a route.
+	 *
+	 * @ticket 66073
 	 */
 	public function test_delete_item() {
-		// Controller does not implement delete_item().
+		wp_set_current_user( self::$contributor_id );
+
+		$request  = new WP_REST_Request( 'DELETE', '/wp/v2/pattern-directory/patterns/1' );
+		$response = rest_get_server()->dispatch( $request );
+
+		$this->assertErrorResponse( 'rest_no_route', $response, 404 );
 	}
 
 	/**