old_contents: module.exports = function (grunt) {
      "use strict";
  
      grunt.initConfig({
          jshint: {
              options: {
                  jshintrc: ".jshintrc",
              },
              src: [
                  "lib/**/*.js",
                  "test/**/*.js"
              ]
          },
  
          vows: {
              all: {
                  options: {
                      reporter: "spec"
                  },
                  src: [
                      "test/*.js"
                  ]
              }
          }
      });
  
      grunt.loadNpmTasks("grunt-contrib-jshint");
      grunt.loadNpmTasks("grunt-vows-runner");
  
      grunt.registerTask("default", [
          "jshint",
          "vows"
      ]);
  };
  
new_contents: module.exports = function (grunt) {
      "use strict";
  
      grunt.initConfig({
          jshint: {
              options: {
                  jshintrc: ".jshintrc",
              },
              src: [
                  "lib/**/*.js",
                  "test/**/*.js"
              ]
          },
  
          vows: {
              all: {
                  src: "test/*.js",
                  options: {
                      reporter: "spec"
                  }
              }
          }
      });
  
      grunt.loadNpmTasks("grunt-contrib-jshint");
      grunt.loadNpmTasks("grunt-vows-runner");
  
      grunt.registerTask("default", [
          "jshint",
          "vows"
      ]);
  };
  
subject: Fix test pattern in Gruntfile.js.