migrate all tests into a single webpack bundle

config/karma.config.js

@@ -8,8 +8,7 @@ module.exports = function(config) {
     basePath: ROOT_PATH,
     frameworks: ['jasmine'],
     files: [
-      'spec/javascripts/spec_helper.js',
-      'spec/javascripts/**/*_spec.js?(.es6)',
+      'spec/javascripts/test_bundle.js',
       { pattern: 'spec/javascripts/fixtures/**/*@(.json|.html|.html.raw)', included: false },
     ],
     preprocessors: {

spec/javascripts/.eslintrc

@@ -22,7 +22,8 @@
   },
   "plugins": ["jasmine"],
   "rules": {
-    "prefer-arrow-callback": 0,
-    "func-names": 0
+    "func-names": 0,
+    "no-console": 0,
+    "prefer-arrow-callback": 0
   }
 }

spec/javascripts/test_bundle.js

@@ -1,5 +1,9 @@
+// enable test fixtures
 require('jasmine-jquery');
 
+jasmine.getFixtures().fixturesPath = 'base/spec/javascripts/fixtures';
+jasmine.getJSONFixtures().fixturesPath = 'base/spec/javascripts/fixtures';
+
 // include common libraries
 window.$ = window.jQuery = require('jquery');
 window._ = require('underscore');
@@ -21,11 +25,18 @@ require('bootstrap/js/transition');
 require('bootstrap/js/tooltip');
 require('bootstrap/js/popover');
 
-// configure jasmine
-jasmine.getFixtures().fixturesPath = 'base/spec/javascripts/fixtures';
-jasmine.getJSONFixtures().fixturesPath = 'base/spec/javascripts/fixtures';
-
 // stub expected globals
 window.gl = window.gl || {};
 window.gl.TEST_HOST = 'http://test.host';
 window.gon = window.gon || {};
+
+// render all of our tests
+const testsContext = require.context('.', true, /_spec$/);
+testsContext.keys().forEach(function (path) {
+  try {
+    testsContext(path);
+  } catch (err) {
+    console.error('[ERROR] WITH SPEC FILE: ', path);
+    console.error(err);
+  }
+});