Change BeTrue to Equal/BeNumerically in cronjob e2e test

[k-toyoda-pi]

What type of PR is this?
/kind cleanup

What this PR does / why we need it:
cronjob e2e test contains like gomega.Expect(len(finishedJobs) == 1).To(gomega.BeTrue()).
When the test fails, the following result is output. From the result, it is difficult to understand what happens.

  Expected
      <bool>: false
  to be true

This PR changes to use Equal or BeNumerically function and the result is changed to the following message. We can get more information from that when test fails.

  Expected
      <int>: 2
  to equal
      <int>: 1

Which issue(s) this PR fixes:
Fixes #

Special notes for your reviewer:

Does this PR introduce a user-facing change?:

NONE

/sig apps
/sig testing

[k8s-ci-robot]

Hi @k-toyoda-pi. Thanks for your PR.

I'm waiting for a kubernetes member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

Once the patch is verified, the new status will be reflected by the ok-to-test label.

I understand the commands that are listed here.

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.

[mortent]

/ok-to-test

[mortent]

/lgtm

[k-toyoda-pi]

/test pull-kubernetes-typecheck
/test pull-kubernetes-integration

[k-toyoda-pi]

/assign @mfojtik
Could you review and approve?

[k-toyoda-pi]

/assign @Kargakis
for approval

[0xmichalis]

/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: k-toyoda-pi, kargakis

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files:

• test/e2e/apps/OWNERS [kargakis]

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment