Propmt when a api key can not be use + house keeping (#173)

* chore: remove old files

* chore: change JS tests to TS, delete dummy tests

* chore: bump manifests version

tests/utils/changeExtensionTooltip.spec.ts

@@ -0,0 +1,26 @@
+import chai from 'chai';
+import changeExtensionTooltip from '../../src/utils/changeExtensionTooltip';
+
+const expect = chai.expect;
+
+jest.mock('webextension-polyfill', () => {
+  return {
+    runtime: {
+      getManifest: () => {
+        return { version: 'test-version' };
+      },
+    },
+  };
+});
+
+describe('changeExtensionTooltip', function () {
+  it('should be a function', function () {
+    expect(changeExtensionTooltip).to.be.a('function');
+  });
+
+  // it('should change the extension tooltip', function() {
+  //     changeExtensionTooltip('WakaTime');
+  //     expect(chrome.browserAction.setTitle).toHaveBeenCalledWith({title: 'Wakatime'});
+  //     sinon.assert.calledWithMatch(chrome.browserAction.setTitle, {title: 'WakaTime'});
+  // });
+});