Tests: Fix AccountsUpdateSchemaTest ignoring error bug (#5985)

Author: jasonpaulos

ledger/ledger_test.go

@@ -2231,11 +2231,7 @@ func TestLedgerReloadTxTailHistoryAccess(t *testing.T) {
 			return err0
 		}
 
-		if err0 := tx.Testing().AccountsUpdateSchemaTest(ctx); err != nil {
-			return err0
-		}
-
-		return nil
+		return tx.Testing().AccountsUpdateSchemaTest(ctx)
 	})
 	require.NoError(t, err)