Close/cleanup mock OPA control planes and decision consumers

Signed-off-by: Farasath Ahamed <[email protected]>

filters/openpolicyagent/opaauthorizerequest/benchmark_test.go

@@ -64,6 +64,7 @@ func BenchmarkMinimalPolicy(b *testing.B) {
 				`,
 		}),
 	)
+	defer opaControlPlane.Stop()
 
 	filterOpts := NewFilterOptionsWithDefaults(opaControlPlane.URL())
 	f, err := createOpaFilter(filterOpts)
@@ -104,8 +105,11 @@ func BenchmarkMinimalPolicyWithDecisionLogs(b *testing.B) {
 				`,
 		}),
 	)
+	defer opaControlPlane.Stop()
 
 	decisionLogsConsumer := newDecisionConsumer()
+	defer decisionLogsConsumer.Close()
+
 	filterOpts := FilterOptions{
 		OpaControlPlaneUrl:  opaControlPlane.URL(),
 		DecisionConsumerUrl: decisionLogsConsumer.URL,
@@ -153,6 +157,7 @@ func BenchmarkAllowWithReqBody(b *testing.B) {
 				`,
 		}),
 	)
+	defer opaControlPlane.Stop()
 
 	filterOpts := NewFilterOptionsWithDefaults(opaControlPlane.URL())
 	f, err := createBodyBasedOpaFilter(filterOpts)
@@ -221,6 +226,7 @@ func BenchmarkJwtValidation(b *testing.B) {
 				`, publicKey),
 		}),
 	)
+	defer opaControlPlane.Stop()
 
 	filterOpts := NewFilterOptionsWithDefaults(opaControlPlane.URL())
 	f, err := createOpaFilter(filterOpts)
@@ -294,6 +300,7 @@ func BenchmarkMinimalPolicyBundle(b *testing.B) {
 	bundlePath := fmt.Sprintf("../../../skptesting/%s", bundleName)
 
 	opaControlPlane := newOpaControlPlaneServingBundle(bundlePath, bundleName, b)
+	defer opaControlPlane.Close()
 
 	filterOpts := FilterOptions{
 		OpaControlPlaneUrl:  opaControlPlane.URL,