const allSpecFiles = ComponentMap.as(context.components, (component) => {
      return detectTestFiles(component, this.devFiles);
    });
    // drop components with zero spec files before handing them to the tester — otherwise testers
    // like Mocha invoke their reporter once per component and print "0 passing (0ms)" noise.
    const specFiles = allSpecFiles.filter((files) => files.length > 0);
    const componentWithTests = specFiles.toArray().length;

    if (componentWithTests === 0 && !options.ui) {
      // silent: the final summary in `bit test` collapses no-test components into a single line.
      return new Tests([]);
    }

    if (!options.ui)
      this.logger.console(`testing ${componentWithTests} components with environment ${chalk.cyan(context.id)}\n`);

    const patterns = await ComponentMap.asAsync(context.components, async (component) => {
      const componentDir = this.workspace.componentDir(component.id);
      const componentPatterns = this.devFiles.getDevPatterns(component, TesterAspect.id);
      const packageRootDir = await this.workspace.getComponentPackagePath(component);

      return {
        componentDir,
        packageRootDir,
        paths:
          componentPatterns.map((pattern: string) => ({
            path: resolve(componentDir, pattern),
            relative: pattern,
          })) || [],
      };
    });

    let additionalHostDependencies = [];
    if (
      context.env.getAdditionalTestHostDependencies &&
      typeof context.env.getAdditionalTestHostDependencies === 'function'
    ) {
      additionalHostDependencies = await context.env.getAdditionalTestHostDependencies();
    }

    const testerContext = Object.assign(context, {
      release: false,
      specFiles,
      patterns,
      sourcePatterns: patterns,