Add test for unit test list

core/dbt/parser/unit_tests.py

@@ -1,4 +1,5 @@
 from csv import DictReader
+from copy import deepcopy
 from pathlib import Path
 from typing import List, Set, Dict, Any
 import os
@@ -74,7 +75,7 @@ def parse_unit_test_case(self, test_case: UnitTestDefinition):
             unique_id=test_case.unique_id,
             config=UnitTestNodeConfig(
                 materialized="unit",
-                expected_rows=test_case.expect.rows,  # type:ignore
+                expected_rows=deepcopy(test_case.expect.rows),  # type:ignore
             ),
             raw_code=tested_node.raw_code,
             database=tested_node.database,

tests/functional/unit_testing/test_ut_list.py

@@ -0,0 +1,34 @@
+import pytest
+from dbt.tests.util import run_dbt
+
+from fixtures import (  # noqa: F401
+    my_model_vars_sql,
+    my_model_a_sql,
+    my_model_b_sql,
+    test_my_model_yml,
+    datetime_test,
+)
+
+class TestUnitTestList:
+    @pytest.fixture(scope="class")
+    def models(self):
+        return {
+            "my_model.sql": my_model_vars_sql,
+            "my_model_a.sql": my_model_a_sql,
+            "my_model_b.sql": my_model_b_sql,
+            "test_my_model.yml": test_my_model_yml + datetime_test,
+        }
+
+    @pytest.fixture(scope="class")
+    def project_config_update(self):
+        return {"vars": {"my_test": "my_test_var"}}
+
+    def test_unit_test_list(self, project):
+        # make sure things are working
+        results = run_dbt(["run"])
+        assert len(results) == 3
+        results = run_dbt(["test"], expect_pass=False)
+        assert len(results) == 5
+
+        results = run_dbt(["list"])
+