diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index e68274d..b556946 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -21,7 +21,18 @@ jobs:
       - name: Install dependencies
         run: pip install -r requirements.txt pytest pytest-asyncio
 
+      - name: Write cookies.json
+        if: ${{ env.COOKIES_JSON != '' }}
+        run: echo "$COOKIES_JSON" > cookies.json
+        env:
+          COOKIES_JSON: ${{ secrets.COOKIES_JSON }}
+
       - name: Run tests
+        if: github.ref != 'refs/heads/master'
+        run: pytest --ignore=tests/003_test_integration.py
+
+      - name: Run tests (master — full suite)
+        if: github.ref == 'refs/heads/master'
         run: pytest
         env:
           SEED: ${{ secrets.SEED }}
diff --git a/tests/003_test_integration.py b/tests/003_test_integration.py
index 8736906..0fa44a3 100644
--- a/tests/003_test_integration.py
+++ b/tests/003_test_integration.py
@@ -1,13 +1,13 @@
 """End-to-end integration test: buy 50 Stars for @bohd4nx.
 
 Requires cookies.json and a valid .env (API_KEY + SEED).
-Auto-skipped when cookies are unavailable (e.g. local runs without secrets).
+Auto-skipped when cookies or config are unavailable (e.g. CI without secrets).
 """
 
 from app.methods.stars import buy_stars
 
 
-async def test_buy_stars_e2e(cookies):
+async def test_buy_stars_e2e(cookies, tests_config):
     result = await buy_stars("@bohd4nx", 50)
     assert result["success"] is True, result.get("error")
     assert result["data"]["transaction_id"]
diff --git a/tests/conftest.py b/tests/conftest.py
index 5fd734c..8c02ca9 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -1,13 +1,22 @@
 import pytest
 
+from app.core.config import config
 from app.core.cookies import load_cookies
 from app.core.exceptions import CookiesError
 
 
 @pytest.fixture
 def cookies():
-    """Load Fragment cookies, skip the test if they are unavailable."""
+    """Load Fragment cookies; skip the test if they are unavailable."""
     try:
         return load_cookies()
     except CookiesError as exc:
         pytest.skip(f"Cookies unavailable — {exc}")
+
+
+@pytest.fixture
+def tests_config():
+    """Require a fully configured environment (SEED + API_KEY); skip otherwise."""
+    if config is None:
+        pytest.skip("Config unavailable — set SEED and API_KEY in .env or environment")
+    return config