public function dontSeeFileFound($filename, $path = '')
    {
        if ($path === '') {
            \PHPUnit\Framework\Assert::assertFileNotExists($filename);
            return;
        }

        $found = $this->findFileInPath($filename, $path);

        if ($found === false) {
            //this line keeps a count of assertions correct
            \PHPUnit\Framework\Assert::assertTrue(true);
            return;
        }

        \PHPUnit\Framework\Assert::assertFileNotExists($found);
    }