fixup! fix(test): exit code of lime test

Author: alquerci

lib/vendor/lime/lime.php

@@ -1033,16 +1033,9 @@ function lime_shutdown()
       unlink($result_file);
 
       $file_stats = &$stats['output'][0]['stats'];
-
-      $delta = 0;
       $this->stats['total'] += $file_stats['total'];
 
-      if (!$file_stats['plan'])
-      {
-        $file_stats['plan'] = $file_stats['total'];
-      }
-
-      $delta = $file_stats['plan'] - $file_stats['total'];
+      $delta = $this->computePlanDeltaFromFileStats($file_stats);
 
       if ($return > 0)
       {
@@ -1187,6 +1180,15 @@ function lime_shutdown()
     return $this->stats['failed_files'] ? false : true;
   }
 
+  private function computePlanDeltaFromFileStats(array $fileStats): int
+  {
+      if ($fileStats['plan']) {
+        return $fileStats['plan'] - $fileStats['total'];
+      } else {
+        return 0;
+      }
+  }
+
   public function get_failed_files()
   {
     return isset($this->stats['failed_files']) ? $this->stats['failed_files'] : array();