diff --git a/test/integration/configurations/nighthawk_http_origin.yaml b/test/integration/configurations/nighthawk_http_origin.yaml
index cf703ec64..4854523de 100644
--- a/test/integration/configurations/nighthawk_http_origin.yaml
+++ b/test/integration/configurations/nighthawk_http_origin.yaml
@@ -23,6 +23,7 @@ static_resources:
               domains:
               - "*"
           http_filters:
+          - name: time-tracking
           - name: dynamic-delay
           - name: test-server
             config:
diff --git a/test/integration/test_integration_basics.py b/test/integration/test_integration_basics.py
index 4ffa0e0ba..5639fd99d 100644
--- a/test/integration/test_integration_basics.py
+++ b/test/integration/test_integration_basics.py
@@ -414,8 +414,11 @@ def test_cli_output_format(http_test_server_fixture):
   asserts.assertIn("Percentile", output)
 
 
-def test_request_body_gets_transmitted(http_test_server_fixture):
-  """Test request body transmission.
+@pytest.mark.parametrize(
+    'filter_configs',
+    ["{}", "{static_delay: \"0.01s\"}", "{emit_previous_request_delta_in_response_header: \"aa\"}"])
+def test_request_body_gets_transmitted(http_test_server_fixture, filter_configs):
+  """Test request body transmission handling code for our extensions.
 
   Ensure that the number of bytes we request for the request body gets reflected in the upstream
   connection transmitted bytes counter for h1 and h2.
@@ -433,14 +436,16 @@ def check_upload_expectations(fixture, parsed_json, expected_transmitted_bytes,
                                       "http.ingress_http.downstream_cx_rx_bytes_total"),
         expected_received_bytes)
 
-  upload_bytes = 1024 * 1024 * 3
+  # TODO(#531): The dynamic-delay extension hangs unless we lower the request entity body size.
+  upload_bytes = 1024 * 1024 if "static_delay" in filter_configs else 1024 * 1024 * 3
   requests = 10
   args = [
       http_test_server_fixture.getTestServerRootUri(), "--duration", "100", "--rps", "100",
       "--request-body-size",
       str(upload_bytes), "--termination-predicate",
       "benchmark.http_2xx:%s" % str(requests), "--connections", "1", "--request-method", "POST",
-      "--max-active-requests", "1"
+      "--max-active-requests", "1", "--request-header",
+      "x-nighthawk-test-server-config:%s" % filter_configs
   ]
   # Test we transmit the expected amount of bytes with H1
   parsed_json, _ = http_test_server_fixture.runNighthawkClient(args)