feat(mute-rules): Support simple muting in API (#9051)

api/src/backend/conftest.py

@@ -23,6 +23,7 @@ from api.models import (
     Invitation,
     LighthouseConfiguration,
     Membership,
+    MuteRule,
     Processor,
     Provider,
     ProviderGroup,
@@ -1425,6 +1426,34 @@ def api_keys_fixture(tenants_fixture, create_test_user):
     return [api_key1, api_key2, api_key3]
 
 
+@pytest.fixture
+def mute_rules_fixture(tenants_fixture, create_test_user, findings_fixture):
+    """Create test mute rules for testing."""
+    tenant = tenants_fixture[0]
+    user = create_test_user
+
+    # Create two mute rules: one enabled, one disabled
+    mute_rule1 = MuteRule.objects.create(
+        tenant_id=tenant.id,
+        name="Test Rule 1",
+        reason="Security exception for testing",
+        enabled=True,
+        created_by=user,
+        finding_uids=[findings_fixture[0].uid],
+    )
+
+    mute_rule2 = MuteRule.objects.create(
+        tenant_id=tenant.id,
+        name="Test Rule 2",
+        reason="Compliance exception approved",
+        enabled=False,
+        created_by=user,
+        finding_uids=[findings_fixture[1].uid],
+    )
+
+    return mute_rule1, mute_rule2
+
+
 def get_authorization_header(access_token: str) -> dict:
     return {"Authorization": f"Bearer {access_token}"}