fix:zverank return error

tests/integration/zset_test.go

@@ -1807,19 +1807,11 @@ var _ = Describe("Zset Commands", func() {
 
 		rank, err := client.ZRank(ctx, "key", "a1b2C3d4E5").Result()
 		Expect(err).To(Equal(redis.Nil))
-		Expect(rank).To(Equal(int64(0))) // Not actually checked since err is redis.Nil
+		Expect(rank).To(Equal(int64(0)))
 
 		revrank, err := client.ZRevRank(ctx, "key", "a1b2C3d4E5").Result()
 		Expect(err).To(Equal(redis.Nil))
-		Expect(revrank).To(Equal(int64(0))) // Not actually checked since err is redis.Nil
-
-		// Add the correct member to test ZRevRank properly
-		err = client.ZAdd(ctx, "key", redis.Z{Score: 100, Member: "a1b2C3d4E5"}).Err()
-		Expect(err).NotTo(HaveOccurred())
-
-		revrank, err = client.ZRevRank(ctx, "key", "a1b2C3d4E5").Result()
-		Expect(err).NotTo(HaveOccurred())
-		Expect(revrank).To(Equal(int64(1)))
+		Expect(revrank).To(Equal(int64(0)))
 
 		scanResult, cursor, err := client.ZScan(ctx, "key", 0, "", 10).Result()
 		Expect(err).NotTo(HaveOccurred())
@@ -1828,7 +1820,7 @@ var _ = Describe("Zset Commands", func() {
 
 		card, err := client.ZCard(ctx, "key").Result()
 		Expect(err).NotTo(HaveOccurred())
-		Expect(card).To(Equal(int64(2))) // After adding a1b2C3d4E5 back, the count should be 2
+		Expect(card).To(Equal(int64(1)))
 	})
 
 	//It("should ZRandMember", func() {