whole_func_string: function beforeEach(test, context, done) {
      context.dir = tmp.dirSync().name;
      process.chdir(context.dir);
      done && done();
  }
func_code_string: function beforeEach(test, context, done) {
      context.dir = tmp.dirSync().name;
      process.chdir(context.dir);
      done && done();
  }
func_documentation_string: Setup before each test