diff --git a/packages/google-cloud-videointelligence/tests/system/test_system.py b/packages/google-cloud-videointelligence/tests/system/test_system.py
index 528edcdfadfb..6c3ab1733b5f 100644
--- a/packages/google-cloud-videointelligence/tests/system/test_system.py
+++ b/packages/google-cloud-videointelligence/tests/system/test_system.py
@@ -14,13 +14,18 @@
 
 """System tests for VideoIntelligence API."""
 
+import os
 import pytest
 
 from google.cloud import videointelligence_v1
 from test_utils.retry import RetryResult
+from test_utils.vpcsc_config import vpcsc_config
 
 
 INPUT_URI = "gs://cloud-samples-data/video/cat.mp4"
+VPCSC_INPUT_URI = "gs://{}/cat.mp4".format(
+    os.environ.get("GOOGLE_CLOUD_TESTS_VPCSC_INSIDE_PERIMETER_BUCKET")
+)
 
 
 @pytest.fixture(scope="module")
@@ -28,10 +33,14 @@ def client():
     return videointelligence_v1.VideoIntelligenceServiceClient()
 
 
+def _get_video_uri():
+    return VPCSC_INPUT_URI if vpcsc_config.inside_vpcsc else INPUT_URI
+
+
 def test_annotate_video(client):
     features_element = videointelligence_v1.enums.Feature.LABEL_DETECTION
     features = [features_element]
-    response = client.annotate_video(input_uri=INPUT_URI, features=features)
+    response = client.annotate_video(input_uri=_get_video_uri(), features=features)
 
     retry = RetryResult(result_predicate=bool, max_tries=7)
     retry(response.done)()
diff --git a/packages/google-cloud-videointelligence/tests/system/test_vpcsc.py b/packages/google-cloud-videointelligence/tests/system/test_vpcsc.py
index e54a60b1d7b0..d2cd58c73b72 100644
--- a/packages/google-cloud-videointelligence/tests/system/test_vpcsc.py
+++ b/packages/google-cloud-videointelligence/tests/system/test_vpcsc.py
@@ -26,6 +26,7 @@
 CLOUD_PLATFORM_SCOPE = "https://www.googleapis.com/auth/cloud-platform"
 CREDENTIALS_FILE = os.environ.get("GOOGLE_APPLICATION_CREDENTIALS")
 API_ENDPOINT_URL = "https://videointelligence.googleapis.com/v1/videos:annotate"
+BUCKET_INSIDE = os.environ.get("GOOGLE_CLOUD_TESTS_VPCSC_INSIDE_PERIMETER_BUCKET")
 
 
 @pytest.fixture(scope="module")
@@ -64,18 +65,18 @@ def test_outside_perimeter_blocked(headers):
 
     response = requests.post(url=API_ENDPOINT_URL, data=body, headers=headers)
 
-    assert response.json["error"]["code"] == 403
-    assert response.json["error"]["status"] == "PERMISSION_DENIED"
+    assert response.json()["error"]["code"] == 403
+    assert response.json()["error"]["status"] == "PERMISSION_DENIED"
 
 
 @vpcsc_config.skip_unless_inside_vpcsc
 def test_inside_perimeter_allowed(headers):
-    body = _make_body(bucket_name=vpcsc_config.inside_bucket)
+    body = _make_body(bucket_name=BUCKET_INSIDE)
 
     response = requests.post(url=API_ENDPOINT_URL, data=body, headers=headers)
 
-    operation = response.json
+    operation = response.json()
     op_url = "https://videointelligence.googleapis.com/v1/{}".format(operation["name"])
     op_response = requests.get(url=op_url, headers=headers)
     # Assert that we do not get an error.
-    assert op_response.json["name"] == operation["name"]
+    assert op_response.json()["name"] == operation["name"]