TRT-2373: OTA-1626: Add JUnitTestCase for success as well

Otherwise, it will screw up the aggregated job [1] when there is
a failure for the same case.

```text
Message: Passed 0 times, failed 1 times, skipped 0 times: we require at least 6 attempts to have a chance at success
name: '[Monitor:cluster-version-checker][bz-Networking] clusteroperator/network must
  complete version change under 30 minutes'
testsuitename: openshift-tests-upgrade
summary: 'Passed 0 times, failed 1 times, skipped 0 times: we require at least 6 attempts
  to have a chance at success'
passes: []
failures:
- jobrunid: "1981587413155188736"
  humanurl: https://prow.ci.openshift.org/view/gs/test-platform-results/logs/periodic-ci-openshift-release-master-ci-4.21-e2e-azure-ovn-upgrade/1981587413155188736
  gcsartifacturl: https://gcsweb-ci.apps.ci.l2s4.p1.openshiftapps.com/gcs/test-platform-results/logs/periodic-ci-openshift-release-master-ci-4.21-e2e-azure-ovn-upgrade/1981587413155188736/artifacts
skips: []
```

[1]. https://prow.ci.openshift.org/view/gs/test-platform-results/logs/aggregated-azure-ovn-upgrade-4.21-micro-release-openshift-release-analysis-aggregator/1981691223231959040

Author: hongkailiu

pkg/monitortests/clusterversionoperator/clusterversionchecker/monitortest.go

@@ -156,7 +156,7 @@ func (w *monitor) noFailingUnknownCondition(intervals monitorapi.Intervals) []*j
 
 	ret := []*junitapi.JUnitTestCase{noFailures}
 
-	for _, coName := range sets.List(violations) {
+	for _, coName := range platformidentification.KnownOperators.List() {
 		bzComponent := platformidentification.GetBugzillaComponentForOperator(coName)
 		if bzComponent == "Unknown" {
 			bzComponent = coName
@@ -166,9 +166,16 @@ func (w *monitor) noFailingUnknownCondition(intervals monitorapi.Intervals) []*j
 		if coName == "machine-config" {
 			m = 3 * m
 		}
+		name := fmt.Sprintf("[bz-%v] clusteroperator/%v must complete version change under %d minutes", bzComponent, coName, m)
+		if !violations.Has(coName) {
+			ret = append(ret, &junitapi.JUnitTestCase{
+				Name: name,
+			})
+			continue
+		}
 		output := fmt.Sprintf("Cluster Operator %s has not completed version change after %d minutes", coName, m)
 		ret = append(ret, &junitapi.JUnitTestCase{
-			Name:     fmt.Sprintf("[bz-%v] clusteroperator/%v must complete version change under %d minutes", bzComponent, coName, m),
+			Name:     name,
 			Duration: duration,
 			FailureOutput: &junitapi.FailureOutput{
 				Output:  output,