diff --git a/.github/actions/setup-postgres-linux/action.yml b/.github/actions/setup-postgres-linux/action.yml
index d518dac1..8ea61f6e 100644
--- a/.github/actions/setup-postgres-linux/action.yml
+++ b/.github/actions/setup-postgres-linux/action.yml
@@ -10,4 +10,4 @@ runs:
       run: |
         sudo systemctl start postgresql.service
         pg_isready
-        sudo -u postgres bash ${{ github.action_path }}/setup_db.sh
+        ./scripts/my-script.sh
diff --git a/.github/workflows/integration-tests.yml b/.github/workflows/integration-tests.yml
index cc650cb9..cca6d01a 100644
--- a/.github/workflows/integration-tests.yml
+++ b/.github/workflows/integration-tests.yml
@@ -11,10 +11,6 @@ on:
 permissions: read-all
 
 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
   POSTGRES_TEST_HOST: localhost
   POSTGRES_TEST_PORT: 5432
   POSTGRES_TEST_USER: root
@@ -41,11 +37,6 @@ jobs:
       - name: Check out repository
         uses: actions/checkout@v3
 
-      - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v4
-        with:
-          python-version: ${{ matrix.python-version }}
-
       - name: Setup postgres
         uses: ./.github/actions/setup-postgres-linux
 
diff --git a/scripts/my-script.sh b/scripts/my-script.sh
index cd6047ca..29cd5c02 100644
--- a/scripts/my-script.sh
+++ b/scripts/my-script.sh
@@ -1 +1 @@
-echo "This is an empty script"
\ No newline at end of file
+echo "my-script.sh: Postgres is ready!"
\ No newline at end of file