PrintProgressTest: minor fix to the tearDown() method

The test class defines its own `tearDown()` method, which overrules the `tearDown()` from the `StatusWriterTestHelper` class, so we need to call the `StatusWriterTestHelper::resetStatusWriterProperties()` method from our own `tearDown()`.

Author: jrfnl

tests/Core/Runner/PrintProgressTest.php

@@ -86,6 +86,9 @@ protected function tearDown(): void
         self::$config->showProgress = true;
         self::$fileWithoutErrorsOrWarnings->ignored = false;
 
+        // Reset all static properties on the StatusWriter class.
+        $this->resetStatusWriterProperties();
+
     }//end tearDown()