fix: updating test to not set port (#1823)

Author: nnshah1

tests/serve/test_dynamo_serve.py

@@ -276,10 +276,8 @@ def __init__(
 
         # Handle multimodal deployments differently
         if "multimodal" in graph.directory:
-            # Set DYNAMO_PORT environment variable for multimodal
-            env = os.environ.copy()
-            env["DYNAMO_PORT"] = str(port)
-            # Don't add health check on port since multimodal uses DYNAMO_PORT
+            # port is currently required to be 8000
+            assert port == 8000
         else:
             # Regular LLM deployments
             command.extend(["--Frontend.port", str(port)])