Added functional test for quota project

tests/functional/test_quota_project.py

@@ -0,0 +1,27 @@
+import os
+
+import pytest
+
+from dbt.tests.util import run_dbt
+
+_QUOTA_PROJECT = os.getenv("BIGQUERY_TEST_ALT_DATABASE")
+
+
+class TestNoQuotaProject:
+    def test_no_quota_project(self, project):
+        results = run_dbt()
+        for result in results:
+            assert None == result.adapter_response["quota_project"]
+
+
+class TestQuotaProjectOption:
+    @pytest.fixture(scope="class")
+    def profiles_config_update(self, dbt_profile_target):
+        outputs = {"default": dbt_profile_target}
+        outputs["default"]["quota_project"] = _QUOTA_PROJECT
+        yield
+
+    def test_quota_project_option(self, project):
+        results = run_dbt()
+        for result in results:
+            assert _QUOTA_PROJECT == result.adapter_response["quota_project"]