add mocha rfc 232 test blueprints for helpers

blueprints/helper-test/mocha-rfc-232-files/tests/__testType__/__path__/__name__-test.js

@@ -0,0 +1,28 @@
+import { expect } from 'chai';
+<% if (testType == 'integration') { %>import { describe, it } from 'mocha';
+import { setupRenderingTest } from 'ember-mocha';
+import { render } from '@ember/test-helpers';
+import hbs from 'htmlbars-inline-precompile';
+
+describe('<%= friendlyTestName %>', function() {
+  setupRenderingTest();
+
+  // Replace this with your real tests.
+  it('renders', async function() {
+    this.set('inputValue', '1234');
+
+    await render(hbs`{{<%= dasherizedModuleName %> inputValue}}`);
+
+    expect(this.element.textContent.trim()).to.equal('1234');
+  });
+});<% } else if (testType == 'unit') { %>import { describe, it } from 'mocha';
+import { <%= camelizedModuleName %> } from '<%= dasherizedPackageName %>/helpers/<%= dasherizedModuleName %>';
+
+describe('<%= friendlyTestName %>', function() {
+
+  // Replace this with your real tests.
+  it('works', function() {
+    let result = <%= camelizedModuleName %>(42);
+    expect(result).to.be.ok;
+  });
+});<% } %>

node-tests/blueprints/helper-test-test.js

@@ -109,6 +109,32 @@ describe('Blueprint: helper-test', function() {
         });
       });
     });
+
+    describe('with ember-mocha@0.14.0', function() {
+      beforeEach(function() {
+        modifyPackages([
+          { name: 'ember-cli-qunit', delete: true },
+          { name: 'ember-mocha', dev: true },
+        ]);
+        generateFakePackageManifest('ember-mocha', '0.14.0');
+      });
+
+      it('helper-test foo/bar-baz for mocha', function() {
+        return emberGenerateDestroy(['helper-test', 'foo/bar-baz'], _file => {
+          expect(_file('tests/integration/helpers/foo/bar-baz-test.js')).to.equal(
+            fixture('helper-test/mocha-rfc232.js')
+          );
+        });
+      });
+
+      it('helper-test foo/bar-baz for mocha --unit', function() {
+        return emberGenerateDestroy(['helper-test', 'foo/bar-baz', '--unit'], _file => {
+          expect(_file('tests/unit/helpers/foo/bar-baz-test.js')).to.equal(
+            fixture('helper-test/mocha-rfc232-unit.js')
+          );
+        });
+      });
+    });
   });
 
   describe('in addon', function() {

node-tests/fixtures/helper-test/mocha-rfc232-unit.js

@@ -0,0 +1,12 @@
+import { expect } from 'chai';
+import { describe, it } from 'mocha';
+import { fooBarBaz } from 'my-app/helpers/foo/bar-baz';
+
+describe('Unit | Helper | foo/bar-baz', function() {
+
+  // Replace this with your real tests.
+  it('works', function() {
+    let result = fooBarBaz(42);
+    expect(result).to.be.ok;
+  });
+});

node-tests/fixtures/helper-test/mocha-rfc232.js

@@ -0,0 +1,18 @@
+import { expect } from 'chai';
+import { describe, it } from 'mocha';
+import { setupRenderingTest } from 'ember-mocha';
+import { render } from '@ember/test-helpers';
+import hbs from 'htmlbars-inline-precompile';
+
+describe('Integration | Helper | foo/bar-baz', function() {
+  setupRenderingTest();
+
+  // Replace this with your real tests.
+  it('renders', async function() {
+    this.set('inputValue', '1234');
+
+    await render(hbs`{{foo/bar-baz inputValue}}`);
+
+    expect(this.element.textContent.trim()).to.equal('1234');
+  });
+});