wait for login button to load before clicking on it

Author: ginnyyadav

test/spectron/src/LoginScreen.js

@@ -54,6 +54,10 @@ class LoginScreen {
     get driverDismiss() {
       return this.app.client.$('button[class*="btnSecondary"]');
     }
+
+    waitUntilLoginButtonLoaded() {
+      return this.app.client.waitUntilTextExists('button[type="submit"]', 'Log in', 10000);
+    }
 }
 
 export default new LoginScreen();

test/spectron/test/functionality/login.functionality.test.js

@@ -28,6 +28,7 @@ describe('Login', () => {
     await LoginScreen.passwordInput.setValue(process.env.SPECTRON_USER_PASSWORD);
     await LoginScreen.passwordInput.getValue()
       .should.eventually.equal(process.env.SPECTRON_USER_PASSWORD);
+    await LoginScreen.waitUntilLoginButtonLoaded();
     await LoginScreen.loginButton.click();
     await UploadScreen.waitUntilDeviceScreenLoaded();
     await UploadScreen.uploadDeviceList.isVisible()