test(e2e): rm raceDetectorEnabled check

Author: ernado

race_off_test.go

@@ -17,17 +17,6 @@ import (
 // as a bot, fetches self, starts gap recovery, and (from OnStart) sends a real
 // message over the encrypted MTProto transport — covering the Run lifecycle.
 func TestRunEndToEnd(t *testing.T) {
-	if raceDetectorEnabled {
-		// The real client teardown trips an upstream race in gotd/td's rpc
-		// Engine: Do checks isClosed() then calls wg.Add(1) (engine.go:81)
-		// while Close runs wg.Wait() (engine.go:293) — a WaitGroup Add-during-
-		// Wait. The updates manager's periodic getDifference issues Do calls
-		// concurrently with connection shutdown on cancel, so any -race run of
-		// this lifecycle test flags it. It is not a botapi bug and v0.156.1 is
-		// the latest gotd/td release; skip under the race detector.
-		t.Skip("upstream gotd/td rpc.Engine shutdown race (Do wg.Add vs Close wg.Wait)")
-	}
-
 	ctx, cancel := context.WithTimeout(context.Background(), 15*time.Second)
 	defer cancel()