[Backport 7.72.x] update test that was flakey on windows (#42098)

Backport 8310fe0 from #42005.

___

### What does this PR do?
Fixes flakey deployment test on windows 

### Motivation
```
=== Failed
=== FAIL: pkg/collector/corechecks/cluster/ksm/customresources TestDeploymentRolloutGeneration_OngoingRollout (0.00s)
    deployment_test.go:101: 
        	Error Trace:	C:/buildroot/datadog-agent/pkg/collector/corechecks/cluster/ksm/customresources/deployment_test.go:101
        	Error:      	"0" is not greater than "0"
        	Test:       	TestDeploymentRolloutGeneration_OngoingRollout
        	Messages:   	Rollout duration should be greater than 0 for ongoing rollout
=== FAIL: pkg/collector/corechecks/cluster/ksm/customresources TestDeploymentRolloutGeneration_OngoingRollout (re-run 1) (0.00s)
    deployment_test.go:101: 
        	Error Trace:	C:/buildroot/datadog-agent/pkg/collector/corechecks/cluster/ksm/customresources/deployment_test.go:101
        	Error:      	"0" is not greater than "0"
        	Test:       	TestDeploymentRolloutGeneration_OngoingRollout
        	Messages:   	Rollout duration should be greater than 0 for ongoing rollout
=== FAIL: pkg/collector/corechecks/cluster/ksm/customresources TestDeploymentRolloutGeneration_OngoingRollout (re-run 2) (0.00s)
    deployment_test.go:101: 
        	Error Trace:	C:/buildroot/datadog-agent/pkg/collector/corechecks/cluster/ksm/customresources/deployment_test.go:101
        	Error:      	"0" is not greater than "0"
        	Test:       	TestDeploymentRolloutGeneration_OngoingRollout
        	Messages:   	Rollout duration should be greater than 0 for ongoing rollout
```
### Describe how you validated your changes

### Additional Notes


Co-authored-by: AliDatadog <[email protected]>
Co-authored-by: frank-spano <[email protected]>
Co-authored-by: ali.benabdallah <[email protected]>

Author: 3 people

pkg/collector/corechecks/cluster/ksm/customresources/deployment_test.go

@@ -9,6 +9,7 @@ package customresources
 
 import (
 	"testing"
+	"time"
 
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
@@ -97,8 +98,11 @@ func TestDeploymentRolloutGeneration_OngoingRollout(t *testing.T) {
 	assert.Equal(t, []string{"default", "test-deployment"}, metric.LabelValues)
 
 	// Verify deployment was stored in tracker (indirectly by checking if rollout duration can be retrieved)
-	duration := tracker.GetRolloutDuration("default", "test-deployment")
-	assert.Greater(t, duration, 0.0, "Rollout duration should be greater than 0 for ongoing rollout")
+	assert.EventuallyWithT(t, func(t *assert.CollectT) {
+		duration := tracker.GetRolloutDuration("default", "test-deployment")
+		assert.Greater(t, duration, 0.0, "Rollout duration should be greater than 0 for ongoing rollout")
+	}, 5*time.Second, 100*time.Millisecond)
+
 }
 
 func TestDeploymentRolloutGeneration_CompletedRollout(t *testing.T) {