diff --git a/tests/system/test_client.py b/tests/system/test_client.py
index 1437328a8..f4757e30f 100644
--- a/tests/system/test_client.py
+++ b/tests/system/test_client.py
@@ -1706,8 +1706,8 @@ def test_dbapi_fetch_w_bqstorage_client_large_result_set(self):
 
         cursor.execute(
             """
-            SELECT id, `by`, time_ts
-            FROM `bigquery-public-data.hacker_news.comments`
+            SELECT id, `by`, timestamp
+            FROM `bigquery-public-data.hacker_news.full`
             ORDER BY `id` ASC
             LIMIT 100000
         """
@@ -1717,27 +1717,28 @@ def test_dbapi_fetch_w_bqstorage_client_large_result_set(self):
 
         field_name = operator.itemgetter(0)
         fetched_data = [sorted(row.items(), key=field_name) for row in result_rows]
-
         # Since DB API is not thread safe, only a single result stream should be
         # requested by the BQ storage client, meaning that results should arrive
         # in the sorted order.
+
         expected_data = [
             [
-                ("by", "sama"),
-                ("id", 15),
-                ("time_ts", datetime.datetime(2006, 10, 9, 19, 51, 1, tzinfo=UTC)),
+                ("by", "pg"),
+                ("id", 1),
+                ("timestamp", datetime.datetime(2006, 10, 9, 18, 21, 51, tzinfo=UTC)),
             ],
             [
-                ("by", "pg"),
-                ("id", 17),
-                ("time_ts", datetime.datetime(2006, 10, 9, 19, 52, 45, tzinfo=UTC)),
+                ("by", "phyllis"),
+                ("id", 2),
+                ("timestamp", datetime.datetime(2006, 10, 9, 18, 30, 28, tzinfo=UTC)),
             ],
             [
-                ("by", "pg"),
-                ("id", 22),
-                ("time_ts", datetime.datetime(2006, 10, 10, 2, 18, 22, tzinfo=UTC)),
+                ("by", "phyllis"),
+                ("id", 3),
+                ("timestamp", datetime.datetime(2006, 10, 9, 18, 40, 33, tzinfo=UTC)),
             ],
         ]
+
         self.assertEqual(fetched_data, expected_data)
 
     def test_dbapi_dry_run_query(self):
@@ -1769,8 +1770,8 @@ def test_dbapi_connection_does_not_leak_sockets(self):
 
         cursor.execute(
             """
-            SELECT id, `by`, time_ts
-            FROM `bigquery-public-data.hacker_news.comments`
+            SELECT id, `by`, timestamp
+            FROM `bigquery-public-data.hacker_news.full`
             ORDER BY `id` ASC
             LIMIT 100000
         """
diff --git a/tests/system/test_pandas.py b/tests/system/test_pandas.py
index ea8cc6d63..726b68f7c 100644
--- a/tests/system/test_pandas.py
+++ b/tests/system/test_pandas.py
@@ -740,8 +740,8 @@ def test_load_table_from_dataframe_w_explicit_schema_source_format_csv_floats(
 
 def test_query_results_to_dataframe(bigquery_client):
     QUERY = """
-    SELECT id, author, time_ts, dead
-    FROM `bigquery-public-data.hacker_news.comments`
+    SELECT id, `by`, timestamp, dead
+    FROM `bigquery-public-data.hacker_news.full`
     LIMIT 10
     """
 
@@ -749,12 +749,12 @@ def test_query_results_to_dataframe(bigquery_client):
 
     assert isinstance(df, pandas.DataFrame)
     assert len(df) == 10  # verify the number of rows
-    column_names = ["id", "author", "time_ts", "dead"]
+    column_names = ["id", "by", "timestamp", "dead"]
     assert list(df) == column_names  # verify the column names
     exp_datatypes = {
         "id": int,
-        "author": str,
-        "time_ts": pandas.Timestamp,
+        "by": str,
+        "timestamp": pandas.Timestamp,
         "dead": bool,
     }
     for _, row in df.iterrows():
@@ -766,8 +766,8 @@ def test_query_results_to_dataframe(bigquery_client):
 
 def test_query_results_to_dataframe_w_bqstorage(bigquery_client):
     query = """
-    SELECT id, author, time_ts, dead
-    FROM `bigquery-public-data.hacker_news.comments`
+    SELECT id, `by`, timestamp, dead
+    FROM `bigquery-public-data.hacker_news.full`
     LIMIT 10
     """
 
@@ -779,12 +779,12 @@ def test_query_results_to_dataframe_w_bqstorage(bigquery_client):
 
     assert isinstance(df, pandas.DataFrame)
     assert len(df) == 10  # verify the number of rows
-    column_names = ["id", "author", "time_ts", "dead"]
+    column_names = ["id", "by", "timestamp", "dead"]
     assert list(df) == column_names
     exp_datatypes = {
         "id": int,
-        "author": str,
-        "time_ts": pandas.Timestamp,
+        "by": str,
+        "timestamp": pandas.Timestamp,
         "dead": bool,
     }
     for index, row in df.iterrows():