self.child.stdout.on('data', function(data) {
    const colorCodesRegExp = new RegExp(`\x1B\\[([0-9]{1,2}(;[0-9]{1,2})?)?[m|K]`, 'g');
    const dataFromStdout = data.toString().replace(colorCodesRegExp, '').trim();
    if (/^No specs found/.test(dataFromStdout)) {
      noTestsFound = true;