diff --git a/.travis.yml b/.travis.yml
index ffc5fd7f..adedd8df 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,18 +5,14 @@ services:
   - redis-server
 
 go:
-  - 1.12.x
-  - 1.13.x
   - 1.14.x
+  - 1.15.x
   - tip
 
 matrix:
   allow_failures:
     - go: tip
 
-env:
-  - GO111MODULE=on
-
 go_import_path: github.com/go-redis/redis
 
 before_install:
diff --git a/cluster_test.go b/cluster_test.go
index 5c125de6..9cb41173 100644
--- a/cluster_test.go
+++ b/cluster_test.go
@@ -47,7 +47,7 @@ func (s *clusterScenario) addrs() []string {
 	return addrs
 }
 
-func (s *clusterScenario) newClusterClientUnsafe(opt *redis.ClusterOptions) *redis.ClusterClient {
+func (s *clusterScenario) newClusterClientUnstable(opt *redis.ClusterOptions) *redis.ClusterClient {
 	opt.Addrs = s.addrs()
 	return redis.NewClusterClient(opt)
 }
@@ -55,7 +55,7 @@ func (s *clusterScenario) newClusterClientUnsafe(opt *redis.ClusterOptions) *red
 func (s *clusterScenario) newClusterClient(
 	ctx context.Context, opt *redis.ClusterOptions,
 ) *redis.ClusterClient {
-	client := s.newClusterClientUnsafe(opt)
+	client := s.newClusterClientUnstable(opt)
 
 	err := eventually(func() error {
 		if opt.ClusterSlots != nil {
@@ -873,59 +873,6 @@ var _ = Describe("ClusterClient", func() {
 		assertClusterClient()
 	})
 
-	Describe("ClusterClient failover", func() {
-		BeforeEach(func() {
-			failover = true
-
-			opt = redisClusterOptions()
-			opt.MinRetryBackoff = 250 * time.Millisecond
-			opt.MaxRetryBackoff = time.Second
-			client = cluster.newClusterClient(ctx, opt)
-
-			err := client.ForEachMaster(ctx, func(ctx context.Context, master *redis.Client) error {
-				return master.FlushDB(ctx).Err()
-			})
-			Expect(err).NotTo(HaveOccurred())
-
-			err = client.ForEachSlave(ctx, func(ctx context.Context, slave *redis.Client) error {
-				defer GinkgoRecover()
-
-				Eventually(func() int64 {
-					return slave.DBSize(ctx).Val()
-				}, "30s").Should(Equal(int64(0)))
-
-				return nil
-			})
-			Expect(err).NotTo(HaveOccurred())
-
-			state, err := client.LoadState(ctx)
-			Eventually(func() bool {
-				state, err = client.LoadState(ctx)
-				if err != nil {
-					return false
-				}
-				return state.IsConsistent(ctx)
-			}, "30s").Should(BeTrue())
-
-			for _, slave := range state.Slaves {
-				err = slave.Client.ClusterFailover(ctx).Err()
-				Expect(err).NotTo(HaveOccurred())
-
-				Eventually(func() bool {
-					state, _ := client.LoadState(ctx)
-					return state.IsConsistent(ctx)
-				}, "30s").Should(BeTrue())
-			}
-		})
-
-		AfterEach(func() {
-			failover = false
-			Expect(client.Close()).NotTo(HaveOccurred())
-		})
-
-		assertClusterClient()
-	})
-
 	Describe("ClusterClient with RouteByLatency", func() {
 		BeforeEach(func() {
 			opt = redisClusterOptions()
@@ -1132,7 +1079,7 @@ var _ = Describe("ClusterClient with unavailable Cluster", func() {
 		opt.ReadTimeout = 250 * time.Millisecond
 		opt.WriteTimeout = 250 * time.Millisecond
 		opt.MaxRedirects = 1
-		client = cluster.newClusterClientUnsafe(opt)
+		client = cluster.newClusterClientUnstable(opt)
 	})
 
 	AfterEach(func() {
diff --git a/export_test.go b/export_test.go
index ede8b304..d4c2de8c 100644
--- a/export_test.go
+++ b/export_test.go
@@ -19,6 +19,7 @@ func (c *PubSub) SetNetConn(netConn net.Conn) {
 }
 
 func (c *ClusterClient) LoadState(ctx context.Context) (*clusterState, error) {
+	// return c.state.Reload(ctx)
 	return c.loadState(ctx)
 }
 
diff --git a/options.go b/options.go
index 7ce0aef5..b44e44cb 100644
--- a/options.go
+++ b/options.go
@@ -254,7 +254,7 @@ func newConnPool(opt *Options) *pool.ConnPool {
 				)
 				conn, err = opt.Dialer(ctx, opt.Network, opt.Addr)
 				if err != nil {
-					internal.RecordError(ctx, err)
+					_ = internal.RecordError(ctx, err)
 				}
 				return err
 			})