feat: check pipeline.Do to prevent confusion with Exec (#2517)

Signed-off-by: monkey92t <golang@88.com>

pipeline_test.go

@@ -1,6 +1,7 @@
 package redis_test
 
 import (
+	"errors"
 	"strconv"
 
 	. "github.com/bsm/ginkgo/v2"
@@ -84,6 +85,11 @@ var _ = Describe("pipelining", func() {
 				}
 			}
 		})
+
+		It("should Exec, not Do", func() {
+			err := pipe.Do(ctx).Err()
+			Expect(err).To(Equal(errors.New("redis: please enter the command to be executed")))
+		})
 	}
 
 	Describe("Pipeline", func() {