Add timer

Author: mateeullahmalik

tests/system/e2e_cascade_test.go

@@ -566,7 +566,7 @@ func TestCascadeE2E(t *testing.T) {
 	t.Logf("Download response: %s", dtaskID)
 	require.NoError(t, err, "Failed to download cascade data using action ID")
 
-	time.Sleep(30 * time.Second) // Wait to ensure all events are processed
+	time.Sleep(1 * time.Minute) // Wait to ensure file us downloaded
 
 	resa, err := lumeraClinet.Action().GetAction(ctx, actionID)