Fix timing issue for the test

Signed-off-by: Milind waykole <mwaykole@redhat.com>

Author: mwaykole

tests/model_serving/model_server/kserve/authentication/conftest.py

@@ -27,6 +27,7 @@
 from utilities.infra import (
     create_inference_token,
     create_isvc_view_role,
+    wait_for_inference_deployment_replicas,
 )
 from utilities.logger import RedactedString
 from utilities.serving_runtime import ServingRuntimeFromTemplate
@@ -90,6 +91,10 @@ def patched_remove_raw_authentication_isvc(
             status=http_s3_ovms_raw_inference_service.Condition.Status.TRUE,
             timeout=Timeout.TIMEOUT_2MIN,
         )
+        wait_for_inference_deployment_replicas(
+            client=unprivileged_client,
+            isvc=http_s3_ovms_raw_inference_service,
+        )
         yield http_s3_ovms_raw_inference_service
 
     # ResourceEditor restores auth on exit; wait for ISVC to reconcile before next test
@@ -98,6 +103,10 @@ def patched_remove_raw_authentication_isvc(
         status=http_s3_ovms_raw_inference_service.Condition.Status.TRUE,
         timeout=Timeout.TIMEOUT_2MIN,
     )
+    wait_for_inference_deployment_replicas(
+        client=unprivileged_client,
+        isvc=http_s3_ovms_raw_inference_service,
+    )
 
 
 @pytest.fixture(scope="class")