Add rudimentary test for new version flow

tests/acceptance/preprints/new-version-test.ts

@@ -0,0 +1,52 @@
+import { currentRouteName } from '@ember/test-helpers';
+import { ModelInstance } from 'ember-cli-mirage';
+import { setupMirage } from 'ember-cli-mirage/test-support';
+import { percySnapshot } from 'ember-percy';
+import { TestContext } from 'ember-test-helpers';
+import { module, test } from 'qunit';
+
+import { setupOSFApplicationTest, visit } from 'ember-osf-web/tests/helpers';
+import PreprintProviderModel from 'ember-osf-web/models/preprint-provider';
+import PreprintModel from 'ember-osf-web/models/preprint';
+import { ReviewsState } from 'ember-osf-web/models/provider';
+import { Permission } from 'ember-osf-web/models/osf-model';
+
+interface PreprintNewVersionTestContext extends TestContext {
+    provider: ModelInstance<PreprintProviderModel>;
+    miragePreprint: ModelInstance<PreprintModel>;
+}
+
+module('Acceptance | preprints | new version', hooks => {
+    setupOSFApplicationTest(hooks);
+    setupMirage(hooks);
+
+    hooks.beforeEach(async function(this: PreprintNewVersionTestContext) {
+        server.loadFixtures('preprint-providers');
+        server.create('user', 'loggedIn');
+        const provider = server.schema.preprintProviders.find('osf') as ModelInstance<PreprintProviderModel>;
+        const miragePreprint = server.create('preprint', {
+            id: 'test',
+            provider,
+            currentUserPermissions: Object.values(Permission),
+        });
+
+        this.provider = provider;
+        this.miragePreprint = miragePreprint;
+    });
+
+    test('LeftNav for new preprint version', async function(this: PreprintNewVersionTestContext, assert) {
+        this.miragePreprint.update({reviewsState: ReviewsState.ACCEPTED});
+        await visit('/preprints/osf/new-version/test');
+        assert.equal(currentRouteName(), 'preprints.new-version', 'Current route is preprint new-version');
+
+        const pageTitle = document.getElementsByTagName('title')[0].innerText;
+        assert.equal(pageTitle, 'OSF Preprints | New Version', 'Page title is correct');
+
+        assert.dom('[data-test-preprint-submission-step="File"]').exists('File step present');
+        assert.dom('[data-test-preprint-submission-step="Metadata"]').doesNotExist('Metadata step not present');
+        assert.dom('[data-test-preprint-submission-step="Author Assertions"]')
+            .doesNotExist('Author Assertions step not present');
+        assert.dom('[data-test-preprint-submission-step="Review"]').exists('Review step present');
+        await percySnapshot(assert);
+    });
+});