CRD - e2e Tests

[eloyekunle]

This PR adds e2e tests for CRDs using Cypress.

• CRD List
• CRD Details Page
• CRD Object Details Page
• Update apiextensions from v1beta1 to v1

Ref: #4153

[codecov]

Codecov Report

Merging #4161 into master will increase coverage by <.01%.
The diff coverage is 8.33%.

@@            Coverage Diff             @@
##           master    #4161      +/-   ##
==========================================
+ Coverage   46.71%   46.71%   +<.01%     
==========================================
  Files         200      200              
  Lines        9380     9382       +2     
  Branches      107      107              
==========================================
+ Hits         4382     4383       +1     
- Misses       4724     4725       +1     
  Partials      274      274

Impacted Files	Coverage Δ
src/app/backend/client/verber.go	63.85% <ø> (ø)	⬆️
...ackend/resource/customresourcedefinition/client.go	0% <ø> (ø)	⬆️
...ckend/resource/customresourcedefinition/objects.go	0% <0%> (ø)	⬆️
...rc/app/backend/resource/common/resourcechannels.go	0% <0%> (ø)	⬆️
...ackend/resource/customresourcedefinition/common.go	18.86% <0%> (ø)	⬆️
...ackend/resource/customresourcedefinition/detail.go	0% <0%> (ø)	⬆️
.../backend/resource/customresourcedefinition/list.go	84.84% <100%> (ø)	⬆️
...p/backend/integration/metric/common/aggregation.go	90.9% <0%> (+1.81%)	⬆️

---

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[floreks]

We should configure cypress to use typescript and write PO objects to encapsulate some of the page logic into the class.

Example page object

export class LoginPage {
  static getLoginBtn(): Cypress.Chainable<any> {
    return cy.get('#login-button');
  }

  static getLogoutBtn(): Cypress.Chainable<any> {
    return cy.get('#navbar-logout-btn');
  }

  static getLogoutMenuBtn(): Cypress.Chainable<any> {
    return cy.get('#navbar-user-menu');
  }

  static visit(): void {
    cy.visit('/');
  }
}

[k8s-ci-robot]

@eloyekunle: Cannot trigger testing until a trusted user reviews the PR and leaves an /ok-to-test message.

In response to this:

/retest

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[eloyekunle]

2 more updates:

1. Bumped kubernetes version used in kind to 1.16.2.
2. Update apiextensions from v1beta1 to v1.

[maciaszczykm]

Great, we can stick with it for now. In the future, it would be really nice to use UI for all of the actions.

/lgtm
/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: eloyekunle, maciaszczykm

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