diff --git a/stackit/internal/services/postgresflexalpha/postgresflex_acc_test.go b/stackit/internal/services/postgresflexalpha/postgresflex_acc_test.go
index f1ec520d..ba6d6d77 100644
--- a/stackit/internal/services/postgresflexalpha/postgresflex_acc_test.go
+++ b/stackit/internal/services/postgresflexalpha/postgresflex_acc_test.go
@@ -140,8 +140,8 @@ func TestAccInstance(t *testing.T) {
 	updSizeData := exData
 	updSizeData.Size = 25
 
-	updBackupSched := exData
-	updBackupSched.BackupSchedule = "30 3 5 * *"
+	updBackupSched := updSizeData
+	updBackupSched.BackupSchedule = "30 3 * * *"
 
 	/*
 		{
diff --git a/stackit/provider_acc_test.go b/stackit/provider_acc_test.go
index 2230d731..b9424b3e 100644
--- a/stackit/provider_acc_test.go
+++ b/stackit/provider_acc_test.go
@@ -127,6 +127,10 @@ func TestMshTest(t *testing.T) {
 		},
 	)
 
+	if _, ok := os.LookupEnv("TF_ACC_SERVICE_ACCOUNT_FILE"); !ok {
+		t.Skipf("TF_ACC_SERVICE_ACCOUNT_FILE is missing")
+	}
+
 	test.Test(
 		t, test.TestCase{
 			IsUnitTest:               true,