add cluster start fixture

tests/functional/conftest.py

@@ -0,0 +1,18 @@
+from multiprocessing import Lock
+
+import pytest
+
+_db_start_lock = Lock()
+_DB_CLUSTER_STARTED = False
+
+
+@pytest.fixture(scope="class", autouse=True)
+def start_databricks_cluster(project, request):
+    global _DB_CLUSTER_STARTED
+    profile_type = request.config.getoption("--profile")
+    with _db_start_lock:
+        if "databricks" in profile_type and not _DB_CLUSTER_STARTED:
+            print("Starting Databricks cluster")
+            project.run_sql("SELECT 1")
+
+            _DB_CLUSTER_STARTED = True