Write Read, Replace and Patch DeploymentScale test +3 endpoints

[Riaankl]

What type of PR is this?
/kind cleanup

What this PR does / why we need it:
This PR adds a test to test the following untested endpoints:

• replaceAppsV1NamespacedDeploymentScale
• readAppsV1NamespacedDeploymentScale
• patchAppsV1NamespacedDeploymentScale

Which issue(s) this PR fixes:
Fixes #98936

Testgrid Link:
Testgrid

Special notes for your reviewer:
Adds +3 endpoint test coverage (good for conformance)

Does this PR introduce a user-facing change?:

NONE

Release note:

NONE

Additional documentation e.g., KEPs (Kubernetes Enhancement Proposals), usage docs, etc.:

NONE

/sig testing
/sig architecture
/sig apps
/area conformance

[Riaankl]

/test pull-kubernetes-e2e-kind

Unrelated flake

• Failure [183.358 seconds]
[sig-network] Services
test/e2e/network/framework.go:23
  should serve multiport endpoints from pods  [Conformance] [It]
  test/e2e/framework/framework.go:640
  Feb 11 10:25:04.188: failed to validate endpoints for service 
  multi-endpoint-test in namespace: services-1067
      
  Unexpected error:
      <*errors.errorString | 0xc002b0bd30>: {
          s: "error waithing for service multi-endpoint-test in namespace 
   services-1067 to expose endpoints map[pod1:[100]]: timed out waiting for the condition",
      }
      error waithing for service multi-endpoint-test in namespace 
   services-1067 to expose endpoints map[pod1:[100]]: timed out waiting for the condition
  occurred
  test/e2e/network/service.go:889
------------------------------
{"msg":"FAILED [sig-network] Services should serve multiport endpoints from pods  
[Conformance]","total":-1,"completed":4,"skipped":45,"failed":1,"failures":["
[sig-network] Services should serve multiport endpoints from pods  [Conformance]"]}
skipped 44882 lines unfold_more
[Fail] [sig-network] Services [It] should serve multiport endpoints from pods  [Conformance] 
test/e2e/network/service.go:889

[Riaankl]

/assign @soltysh @mattfarina @kow3ns
This is to address 3 untested Apps endpoints

[dims]

@Riaankl Do we want to also wait for sometime to ensure that Status.Replicas reaches 4 at the end?

[Riaankl]

@Riaankl Do we want to also wait for some time to ensure that Status.Replicas reaches 4 at the end?

I have 3 similar tests for -Scale endpoints and @soltysh said it is not needed as it is not what we are testing.
#98126 (comment)

[dims]

@Riaankl looks like 1 nit from @soltysh is still there, once that it is done LGTM

[dims]

@Riaankl https://github.com/kubernetes/kubernetes/pull/98988/files#r574602452 is still left to be addressed, please squash as well.

[Riaankl]

@Riaankl https://github.com/kubernetes/kubernetes/pull/98988/files#r574602452 is still left to be addressed, please squash as well.

Think I got them all now, thank you.
And rebased.

[dims]

/lgtm

[Riaankl]

/test pull-kubernetes-conformance-kind-ga-only-parallel

[Riaankl]

/test pull-kubernetes-bazel-test

Unrelated flake

--- FAIL: TestSyncPodsDeletesWhenSourcesAreReadyPerQOS (14.00s)
    kubelet_test.go:465: 
        	Error Trace:	kubelet_test.go:465
        	Error:      	Received unexpected error:
        	            	timed out waiting for the condition
        	Test:       	TestSyncPodsDeletesWhenSourcesAreReadyPerQOS
        	Messages:   	wait should not return error
    kubelet_test.go:470: 
        	Error Trace:	kubelet_test.go:470
        	Error:      	Should be true
skipped 106 lines unfold_more

[Riaankl]

/test pull-kubernetes-node-e2e

Unrelated flake

• Failure [41.807 seconds]
[k8s.io] Summary API [NodeConformance]
/go/src/k8s.io/kubernetes/_output/local/go/src/k8s.io/kubernetes/test/e2e/framework/framework.go:635
when querying /stats/summary
_output/local/go/src/k8s.io/kubernetes/test/e2e_node/summary_test.go:43
should report resource usage through the stats api [It]
skipped 2396 lines unfold_more

[Fail] [k8s.io] Summary API [NodeConformance] when querying /stats/summary [It] should report resource usage through the stats api 
_output/local/go/src/k8s.io/kubernetes/test/e2e_node/summary_test.go:344
Ran 158 of 343 Specs in 671.286 seconds
 -- 157 Passed | 1 Failed | 0 Pending | 185 Skipped

[soltysh]

/lgtm
/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: dims, Riaankl, soltysh

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 [soltysh]

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[soltysh]

/triage accepted
/priority important-longterm