chore: add dbt read_csv test

tests/fixtures/dbt_project/models/glaredb_data/read_excel_and_csv.sql

@@ -0,0 +1,6 @@
+{{ config(materialized='view') }}
+
+select *
+from dbt_test
+JOIN read_csv('https://github.com/GlareDB/glaredb/raw/main/testdata/csv/userdata1.csv') csv
+ON dbt_test.amount = csv.id

tests/test_dbt.py

@@ -100,3 +100,38 @@ def test_dbt_glaredb_external_postgres(
         result: list = curr.fetchone()[0]
 
     assert result == 5
+
+def test_dbt_read_excel_and_csv(
+    glaredb_connection: psycopg2.extensions.connection,
+    dbt_project_path: pathlib.Path,
+):
+    model_name = "read_excel_and_csv"
+
+    with glaredb_connection.cursor() as curr:
+        curr.execute("create table dbt_test (amount int)")
+        curr.execute(
+            "INSERT INTO dbt_test (amount) VALUES (0), (1), (2), (3), (4), (5), (6), (7), (8), (9)"
+        )
+        curr.execute("SELECT * FROM public.dbt_test")
+        a = curr.fetchall()
+
+    with tests.tools.env("DBT_USER", glaredb_connection.info.user):
+        res: dbtRunnerResult = dbtRunner().invoke(
+            [
+                "run",
+                "--project-dir",
+                dbt_project_path,
+                "--profiles-dir",
+                dbt_project_path,
+                "-m",
+                model_name,
+            ]
+        )
+
+        assert res.success is True
+
+    with glaredb_connection.cursor() as curr:
+        curr.execute(f"select count(*) from {model_name}")
+        result: list = curr.fetchone()[0]
+
+    assert result == 9