diff --git a/tests/integration/clientv3/connectivity/network_partition_test.go b/tests/integration/clientv3/connectivity/network_partition_test.go
index b46804d3a8e..cb421a84e4b 100644
--- a/tests/integration/clientv3/connectivity/network_partition_test.go
+++ b/tests/integration/clientv3/connectivity/network_partition_test.go
@@ -145,7 +145,7 @@ func testBalancerUnderNetworkPartition(t *testing.T, op func(*clientv3.Client, c
 		if err == nil {
 			break
 		}
-		if err != errExpected {
+		if !errors.Is(err, errExpected) {
 			t.Errorf("#%d: expected '%v', got '%v'", i, errExpected, err)
 		}
 		// give enough time for endpoint switch
diff --git a/tests/integration/clientv3/experimental/recipes/v3_double_barrier_test.go b/tests/integration/clientv3/experimental/recipes/v3_double_barrier_test.go
index 120e4bed8af..f4fbfcb2457 100644
--- a/tests/integration/clientv3/experimental/recipes/v3_double_barrier_test.go
+++ b/tests/integration/clientv3/experimental/recipes/v3_double_barrier_test.go
@@ -16,6 +16,7 @@ package recipes_test
 
 import (
 	"context"
+	"errors"
 	"sync"
 	"testing"
 	"time"
@@ -149,7 +150,7 @@ func TestDoubleBarrierTooManyClients(t *testing.T) {
 	// no any other client can enter the barrier.
 	wgEntered.Wait()
 	t.Log("Try to enter into double barrier")
-	if err = b.Enter(); err != recipe.ErrTooManyClients {
+	if err = b.Enter(); !errors.Is(err, recipe.ErrTooManyClients) {
 		t.Errorf("Unexcepted error, expected: ErrTooManyClients, got: %v", err)
 	}
 
diff --git a/tests/integration/clientv3/lease/leasing_test.go b/tests/integration/clientv3/lease/leasing_test.go
index 2164e8f5b18..40113d0aa13 100644
--- a/tests/integration/clientv3/lease/leasing_test.go
+++ b/tests/integration/clientv3/lease/leasing_test.go
@@ -16,6 +16,7 @@ package lease_test
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"math/rand"
 	"reflect"
@@ -895,7 +896,7 @@ func TestLeasingTxnCancel(t *testing.T) {
 		time.Sleep(100 * time.Millisecond)
 		cancel()
 	}()
-	if _, err := lkv2.Txn(ctx).Then(clientv3.OpPut("k", "v")).Commit(); err != context.Canceled {
+	if _, err := lkv2.Txn(ctx).Then(clientv3.OpPut("k", "v")).Commit(); !errors.Is(err, context.Canceled) {
 		t.Fatalf("expected %v, got %v", context.Canceled, err)
 	}
 }
@@ -2017,7 +2018,7 @@ func TestLeasingSessionExpireCancel(t *testing.T) {
 
 			select {
 			case err := <-errc:
-				if err != ctx.Err() {
+				if !errors.Is(err, ctx.Err()) {
 					t.Errorf("#%d: expected %v of server unavailable, got %v", i, ctx.Err(), err)
 				}
 			case <-time.After(5 * time.Second):
@@ -2048,7 +2049,7 @@ func waitForExpireAck(t *testing.T, kv clientv3.KV) {
 		ctx, cancel := context.WithTimeout(context.TODO(), time.Second)
 		_, err := kv.Get(ctx, "abc")
 		cancel()
-		if err == ctx.Err() {
+		if errors.Is(err, ctx.Err()) {
 			return
 		} else if err != nil {
 			t.Logf("current error: %v", err)
diff --git a/tests/integration/clientv3/maintenance_test.go b/tests/integration/clientv3/maintenance_test.go
index 475fc9e18bd..3de3d389cff 100644
--- a/tests/integration/clientv3/maintenance_test.go
+++ b/tests/integration/clientv3/maintenance_test.go
@@ -187,7 +187,7 @@ func TestMaintenanceSnapshotCancel(t *testing.T) {
 
 	cancel()
 	_, err = io.Copy(io.Discard, rc1)
-	if err != context.Canceled {
+	if !errors.Is(err, context.Canceled) {
 		t.Errorf("expected %v, got %v", context.Canceled, err)
 	}
 }
diff --git a/tests/integration/clientv3/ordering_kv_test.go b/tests/integration/clientv3/ordering_kv_test.go
index c539199ff6a..1d667b44dac 100644
--- a/tests/integration/clientv3/ordering_kv_test.go
+++ b/tests/integration/clientv3/ordering_kv_test.go
@@ -89,7 +89,7 @@ func TestDetectKvOrderViolation(t *testing.T) {
 	t.Logf("Quering m2 after restart")
 	v, err = orderingKv.Get(ctx, "foo", clientv3.WithSerializable())
 	t.Logf("Quering m2 returned: v:%v err:%v ", v, err)
-	if err != errOrderViolation {
+	if !errors.Is(err, errOrderViolation) {
 		t.Fatalf("expected %v, got err:%v v:%v", errOrderViolation, err, v)
 	}
 }
@@ -155,7 +155,7 @@ func TestDetectTxnOrderViolation(t *testing.T) {
 	cli.SetEndpoints(clus.Members[2].GRPCURL)
 	time.Sleep(2 * time.Second) // FIXME: Figure out how pause SetEndpoints sufficiently that this is not needed
 	_, err = orderingKv.Get(ctx, "foo", clientv3.WithSerializable())
-	if err != errOrderViolation {
+	if !errors.Is(err, errOrderViolation) {
 		t.Fatalf("expected %v, got %v", errOrderViolation, err)
 	}
 	orderingTxn = orderingKv.Txn(ctx)
@@ -164,7 +164,7 @@ func TestDetectTxnOrderViolation(t *testing.T) {
 	).Then(
 		clientv3.OpGet("foo", clientv3.WithSerializable()),
 	).Commit()
-	if err != errOrderViolation {
+	if !errors.Is(err, errOrderViolation) {
 		t.Fatalf("expected %v, got %v", errOrderViolation, err)
 	}
 }
diff --git a/tests/integration/clientv3/ordering_util_test.go b/tests/integration/clientv3/ordering_util_test.go
index ebac39981a9..6313957bf3f 100644
--- a/tests/integration/clientv3/ordering_util_test.go
+++ b/tests/integration/clientv3/ordering_util_test.go
@@ -16,6 +16,7 @@ package clientv3test
 
 import (
 	"context"
+	"errors"
 	"testing"
 	"time"
 
@@ -78,7 +79,7 @@ func TestEndpointSwitchResolvesViolation(t *testing.T) {
 	cli.SetEndpoints(clus.Members[2].GRPCURL)
 	time.Sleep(1 * time.Second) // give enough time for the operation
 	_, err = orderingKv.Get(ctx, "foo", clientv3.WithSerializable())
-	if err != ordering.ErrNoGreaterRev {
+	if !errors.Is(err, ordering.ErrNoGreaterRev) {
 		t.Fatal("While speaking to partitioned leader, we should get ErrNoGreaterRev error")
 	}
 
@@ -156,7 +157,7 @@ func TestUnresolvableOrderViolation(t *testing.T) {
 	time.Sleep(1 * time.Second) // give enough time for operation
 
 	_, err = OrderingKv.Get(ctx, "foo", clientv3.WithSerializable())
-	if err != ordering.ErrNoGreaterRev {
+	if !errors.Is(err, ordering.ErrNoGreaterRev) {
 		t.Fatalf("expected %v, got %v", ordering.ErrNoGreaterRev, err)
 	}
 }
diff --git a/tests/integration/clientv3/txn_test.go b/tests/integration/clientv3/txn_test.go
index d1517bda493..221247d2f7a 100644
--- a/tests/integration/clientv3/txn_test.go
+++ b/tests/integration/clientv3/txn_test.go
@@ -46,7 +46,7 @@ func TestTxnError(t *testing.T) {
 		ops[i] = clientv3.OpPut(fmt.Sprintf("foo%d", i), "")
 	}
 	_, err = kv.Txn(ctx).Then(ops...).Commit()
-	if err != rpctypes.ErrTooManyOps {
+	if !errors.Is(err, rpctypes.ErrTooManyOps) {
 		t.Fatalf("expected %v, got %v", rpctypes.ErrTooManyOps, err)
 	}
 }
diff --git a/tests/integration/clientv3/user_test.go b/tests/integration/clientv3/user_test.go
index c0126915d49..7ed13e7ed44 100644
--- a/tests/integration/clientv3/user_test.go
+++ b/tests/integration/clientv3/user_test.go
@@ -117,7 +117,7 @@ func TestUserErrorAuth(t *testing.T) {
 	authSetupRoot(t, authapi.Auth)
 
 	// unauthenticated client
-	if _, err := authapi.UserAdd(context.TODO(), "foo", "bar"); err != rpctypes.ErrUserEmpty {
+	if _, err := authapi.UserAdd(context.TODO(), "foo", "bar"); !errors.Is(err, rpctypes.ErrUserEmpty) {
 		t.Fatalf("expected %v, got %v", rpctypes.ErrUserEmpty, err)
 	}
 
@@ -128,11 +128,11 @@ func TestUserErrorAuth(t *testing.T) {
 		DialOptions: []grpc.DialOption{grpc.WithBlock()},
 	}
 	cfg.Username, cfg.Password = "wrong-id", "123"
-	if _, err := integration2.NewClient(t, cfg); err != rpctypes.ErrAuthFailed {
+	if _, err := integration2.NewClient(t, cfg); !errors.Is(err, rpctypes.ErrAuthFailed) {
 		t.Fatalf("expected %v, got %v", rpctypes.ErrAuthFailed, err)
 	}
 	cfg.Username, cfg.Password = "root", "wrong-pass"
-	if _, err := integration2.NewClient(t, cfg); err != rpctypes.ErrAuthFailed {
+	if _, err := integration2.NewClient(t, cfg); !errors.Is(err, rpctypes.ErrAuthFailed) {
 		t.Fatalf("expected %v, got %v", rpctypes.ErrAuthFailed, err)
 	}
 
diff --git a/tests/integration/v3_grpc_test.go b/tests/integration/v3_grpc_test.go
index 2cc4ab66032..60b5eaccb64 100644
--- a/tests/integration/v3_grpc_test.go
+++ b/tests/integration/v3_grpc_test.go
@@ -17,6 +17,7 @@ package integration
 import (
 	"bytes"
 	"context"
+	"errors"
 	"fmt"
 	"math/rand"
 	"os"
@@ -1599,7 +1600,7 @@ func TestTLSGRPCRejectSecureClient(t *testing.T) {
 	if client != nil || err == nil {
 		client.Close()
 		t.Fatalf("expected no client")
-	} else if err != context.DeadlineExceeded {
+	} else if !errors.Is(err, context.DeadlineExceeded) {
 		t.Fatalf("unexpected error (%v)", err)
 	}
 }
@@ -1776,7 +1777,7 @@ func testTLSReload(
 	// 5. expect dial time-out when loading expired certs
 	select {
 	case gerr := <-errc:
-		if gerr != context.DeadlineExceeded {
+		if !errors.Is(gerr, context.DeadlineExceeded) {
 			t.Fatalf("expected %v, got %v", context.DeadlineExceeded, gerr)
 		}
 	case <-time.After(5 * time.Second):