diff-runner.js

const Jasmine = require('jasmine');
const SpecReporter = require('jasmine-spec-reporter');

const runner = new Jasmine();

runner.configureDefaultReporter({ print: function() {} });
runner.addReporter(new SpecReporter());
runner.loadConfig({
  spec_dir: 'test/visual-diff',
  spec_files: ['diff-test.js'],
  stopSpecOnExpectationFailure: false,
  random: false
});

runner.execute();