diff --git a/src/src/Commands/CustomTests/RunE2ECommand.php b/src/src/Commands/CustomTests/RunE2ECommand.php
index 997ef87d..1f794eff 100644
--- a/src/src/Commands/CustomTests/RunE2ECommand.php
+++ b/src/src/Commands/CustomTests/RunE2ECommand.php
@@ -138,6 +138,18 @@ protected function execute( InputInterface $input, OutputInterface $output ): in
 				}
 				$woo_extension = sprintf( '%s:test:%s', $woo_extension, realpath( $test ) );
 			}
+
+			$has_action = false;
+			foreach ( Extension::ACTIONS as $action ) {
+				if ( strpos( $woo_extension, ":$action" ) !== false ) {
+					$has_action = true;
+					break;
+				}
+			}
+
+			if ( ! $has_action ) {
+				$woo_extension = "$woo_extension:test";
+			}
 			if ( $input->getOption( 'testing_theme' ) === 'true' ) {
 				$env_up_options['--theme'][] = $woo_extension;
 			} else {