Merge branch '5.1' into 5.2

* 5.1:
  Remove :void in test function signatures

Tests/Helper/TableTest.php

@@ -1470,7 +1470,7 @@ protected function getOutputContent(StreamOutput $output)
         return str_replace(\PHP_EOL, "\n", stream_get_contents($output->getStream()));
     }
 
-    public function testWithColspanAndMaxWith(): void
+    public function testWithColspanAndMaxWith()
     {
         $table = new Table($output = $this->getOutputStream());