text: module.exports = config => {
      config.set({
          mutator: 'typescript',
          packageManager: 'npm',
          reporters: ['clear-text', 'progress', 'dashboard'],
          testRunner: 'jest',
          coverageAnalysis: 'off',
          tsconfigFile: 'tsconfig.json',
          mutate: ['src/**/*.ts'],
          thresholds: {
              break: 100,
              high: 100
          }
      });
  };
  