limit integration tests to ubuntu for testing

.github/workflows/integration-tests.yml

@@ -16,42 +16,28 @@ concurrency:
   cancel-in-progress: true
 
 jobs:
-  unit:
+  integration:
     name: Python ${{ matrix.python-version }}
     runs-on: ubuntu-latest
+    timeout-minutes: 30
 
     strategy:
       fail-fast: false
       matrix:
         python-version: ["3.8", "3.9", "3.10", "3.11"]
 
-    env:
-      DBT_INVOCATION_ENV: github-actions
-      DBT_TEST_USER_1: dbt_test_user_1
-      DBT_TEST_USER_2: dbt_test_user_2
-      DBT_TEST_USER_3: dbt_test_user_3
-
     steps:
       - name: Check out repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v3
+
+      - name: Set up postgres
+        uses: ./.github/actions/setup-postgres-linux
 
       - name: Setup `hatch`
         uses: dbt-labs/dbt-adapters/.github/actions/setup-hatch@config/release
         with:
           python-version: ${{ matrix.python-version }}
 
-      - name: Set up postgres (linux)
-        if: runner.os == 'Linux'
-        uses: ./.github/actions/setup-postgres-linux
-
-      - name: Set up postgres (macos)
-        if: runner.os == 'macOS'
-        uses: ./.github/actions/setup-postgres-macos
-
-      - name: Set up postgres (windows)
-        if: runner.os == 'Windows'
-        uses: ./.github/actions/setup-postgres-windows
-
       - name: Run integration tests
         run: hatch run integration-tests:all
         shell: bash