diff --git a/projects/plugins/wpcomsh/tests/bootstrap.php b/projects/plugins/wpcomsh/tests/bootstrap.php
index 65deda4e9841a..77b36d57c08ae 100644
--- a/projects/plugins/wpcomsh/tests/bootstrap.php
+++ b/projects/plugins/wpcomsh/tests/bootstrap.php
@@ -11,7 +11,7 @@
 
 if ( ! $_tests_dir ) {
 	if ( $wp_branch ) {
-		$_tests_dir = '/tmp/wordpress-' . $wp_branch;
+		$_tests_dir = '/tmp/wordpress-' . $wp_branch . '/tests/phpunit';
 	} else {
 		$_tests_dir = rtrim( sys_get_temp_dir(), '/\\' ) . '/wordpress-tests-lib';
 	}