Add tests for subject transformation

Closes #9

Author: cibernox

__testfixtures__/ember-qunit-codemod/subject.input.js

@@ -0,0 +1,17 @@
+import { moduleFor, test } from 'ember-qunit';
+
+moduleFor('service:flash', 'Unit | Service | Flash', {
+  unit: true
+});
+
+test('should allow messages to be queued', function (assert) {
+  let subject = this.subject();
+});
+
+moduleFor('model:foo', 'Unit | Model | Foo', {
+  unit: true
+});
+
+test('should allow messages to be queued', function (assert) {
+  let subject = this.subject();
+});

__testfixtures__/ember-qunit-codemod/subject.output.js

@@ -0,0 +1,18 @@
+import { module, test } from 'qunit';
+import { setupTest } from 'ember-qunit';
+
+module('Unit | Service | Flash', function(hooks) {
+  setupTest(hooks);
+
+  test('should allow messages to be queued', function (assert) {
+    let subject = this.owner.lookup('service:flash');
+  });
+});
+
+module('Unit | Model | Foo', function(hooks) {
+  setupTest(hooks);
+
+  test('should allow messages to be queued', function (assert) {
+    let subject = this.owner.factoryFor('model:foo').create();
+  });
+});