fix(tools): generate better element tests

Author: bennypowers

tools/create-element/templates/element/test/element.spec.ts

@@ -2,17 +2,16 @@ import { expect, html } from '@open-wc/testing';
 import { createFixture } from '@patternfly/pfe-tools/test/create-fixture.js';
 import { <%= className %> } from '<%= importSpecifier %>';
 
-const element = html`
-  <<%= tagName %>></<%= tagName %>>
-`;
-
 describe('<<%= tagName %>>', function() {
-  it('should upgrade', async function() {
-    const el = await createFixture <<%= className %>> (element);
-    const klass = customElements.get('<%= tagName %>');
-    expect(el)
-      .to.be.an.instanceOf(klass)
-      .and
-      .to.be.an.instanceOf(<%= className %>);
-  });
+  describe('simply instantiating', function() {
+    let element: <%= className %>;
+    it('should upgrade', async function() {
+      element = await createFixture<<%= className %>>(html`<<%= tagName %>></<%= tagName %>>`);
+      const klass = customElements.get('<%= tagName %>');
+      expect(element)
+        .to.be.an.instanceOf(klass)
+        .and
+        .to.be.an.instanceOf(<%= className %>);
+    });
+  })
 });