diff --git a/integration-cli/cli/build/build.go b/integration-cli/cli/build/build.go
index 99ae00c04b..ad41372a80 100644
--- a/integration-cli/cli/build/build.go
+++ b/integration-cli/cli/build/build.go
@@ -3,17 +3,12 @@ package build // import "github.com/docker/docker/integration-cli/cli/build"
 import (
 	"io"
 	"strings"
+	"testing"
 
 	"github.com/docker/docker/testutil/fakecontext"
 	"gotest.tools/icmd"
 )
 
-type testingT interface {
-	Fatal(args ...interface{})
-	Fatalf(string, ...interface{})
-	Name() string
-}
-
 // WithStdinContext sets the build context from the standard input with the specified reader
 func WithStdinContext(closer io.ReadCloser) func(*icmd.Cmd) func() {
 	return func(cmd *icmd.Cmd) func() {
@@ -59,7 +54,7 @@ func WithExternalBuildContext(ctx *fakecontext.Fake) func(*icmd.Cmd) func() {
 }
 
 // WithBuildContext sets up the build context
-func WithBuildContext(t testingT, contextOperators ...func(*fakecontext.Fake) error) func(*icmd.Cmd) func() {
+func WithBuildContext(t testing.TB, contextOperators ...func(*fakecontext.Fake) error) func(*icmd.Cmd) func() {
 	// FIXME(vdemeester) de-duplicate that
 	ctx := fakecontext.New(t, "", contextOperators...)
 	return func(cmd *icmd.Cmd) func() {
@@ -74,7 +69,7 @@ func WithFile(name, content string) func(*fakecontext.Fake) error {
 	return fakecontext.WithFile(name, content)
 }
 
-func closeBuildContext(t testingT, ctx *fakecontext.Fake) func() {
+func closeBuildContext(t testing.TB, ctx *fakecontext.Fake) func() {
 	return func() {
 		if err := ctx.Close(); err != nil {
 			t.Fatal(err)
diff --git a/integration-cli/cli/cli.go b/integration-cli/cli/cli.go
index 5c276cf6ac..8a508003af 100644
--- a/integration-cli/cli/cli.go
+++ b/integration-cli/cli/cli.go
@@ -4,12 +4,12 @@ import (
 	"fmt"
 	"io"
 	"strings"
+	"testing"
 	"time"
 
 	"github.com/docker/docker/integration-cli/daemon"
 	"github.com/docker/docker/integration-cli/environment"
 	"github.com/pkg/errors"
-	"gotest.tools/assert"
 	"gotest.tools/icmd"
 )
 
@@ -24,46 +24,39 @@ func SetTestEnvironment(env *environment.Execution) {
 // CmdOperator defines functions that can modify a command
 type CmdOperator func(*icmd.Cmd) func()
 
-type testingT interface {
-	assert.TestingT
-	Fatal(args ...interface{})
-	Fatalf(string, ...interface{})
-	Name() string
-}
-
 // DockerCmd executes the specified docker command and expect a success
-func DockerCmd(t testingT, args ...string) *icmd.Result {
+func DockerCmd(t testing.TB, args ...string) *icmd.Result {
 	return Docker(Args(args...)).Assert(t, icmd.Success)
 }
 
 // BuildCmd executes the specified docker build command and expect a success
-func BuildCmd(t testingT, name string, cmdOperators ...CmdOperator) *icmd.Result {
+func BuildCmd(t testing.TB, name string, cmdOperators ...CmdOperator) *icmd.Result {
 	return Docker(Build(name), cmdOperators...).Assert(t, icmd.Success)
 }
 
 // InspectCmd executes the specified docker inspect command and expect a success
-func InspectCmd(t testingT, name string, cmdOperators ...CmdOperator) *icmd.Result {
+func InspectCmd(t testing.TB, name string, cmdOperators ...CmdOperator) *icmd.Result {
 	return Docker(Inspect(name), cmdOperators...).Assert(t, icmd.Success)
 }
 
 // WaitRun will wait for the specified container to be running, maximum 5 seconds.
-func WaitRun(t testingT, name string, cmdOperators ...CmdOperator) {
+func WaitRun(t testing.TB, name string, cmdOperators ...CmdOperator) {
 	WaitForInspectResult(t, name, "{{.State.Running}}", "true", 5*time.Second, cmdOperators...)
 }
 
 // WaitExited will wait for the specified container to state exit, subject
 // to a maximum time limit in seconds supplied by the caller
-func WaitExited(t testingT, name string, timeout time.Duration, cmdOperators ...CmdOperator) {
+func WaitExited(t testing.TB, name string, timeout time.Duration, cmdOperators ...CmdOperator) {
 	WaitForInspectResult(t, name, "{{.State.Status}}", "exited", timeout, cmdOperators...)
 }
 
 // WaitRestart will wait for the specified container to restart once
-func WaitRestart(t testingT, name string, timeout time.Duration, cmdOperators ...CmdOperator) {
+func WaitRestart(t testing.TB, name string, timeout time.Duration, cmdOperators ...CmdOperator) {
 	WaitForInspectResult(t, name, "{{.RestartCount}}", "1", timeout, cmdOperators...)
 }
 
 // WaitForInspectResult waits for the specified expression to be equals to the specified expected string in the given time.
-func WaitForInspectResult(t testingT, name, expr, expected string, timeout time.Duration, cmdOperators ...CmdOperator) {
+func WaitForInspectResult(t testing.TB, name, expr, expected string, timeout time.Duration, cmdOperators ...CmdOperator) {
 	after := time.After(timeout)
 
 	args := []string{"inspect", "-f", expr, name}
diff --git a/integration-cli/daemon/daemon.go b/integration-cli/daemon/daemon.go
index 85553ca950..d6b39cc820 100644
--- a/integration-cli/daemon/daemon.go
+++ b/integration-cli/daemon/daemon.go
@@ -12,17 +12,6 @@ import (
 	"gotest.tools/icmd"
 )
 
-type testingT interface {
-	assert.TestingT
-	logT
-	Fatalf(string, ...interface{})
-	Name() string
-}
-
-type logT interface {
-	Logf(string, ...interface{})
-}
-
 // Daemon represents a Docker daemon for the testing framework.
 type Daemon struct {
 	*daemon.Daemon
@@ -32,7 +21,7 @@ type Daemon struct {
 // New returns a Daemon instance to be used for testing.
 // This will create a directory such as d123456789 in the folder specified by $DOCKER_INTEGRATION_DAEMON_DEST or $DEST.
 // The daemon will not automatically start.
-func New(t testingT, dockerBinary string, dockerdBinary string, ops ...daemon.Option) *Daemon {
+func New(t testing.TB, dockerBinary string, dockerdBinary string, ops ...daemon.Option) *Daemon {
 	ops = append(ops, daemon.WithDockerdBinary(dockerdBinary))
 	d := daemon.New(t, ops...)
 	return &Daemon{
diff --git a/testutil/daemon/daemon.go b/testutil/daemon/daemon.go
index d3fc847ac4..aa038d8891 100644
--- a/testutil/daemon/daemon.go
+++ b/testutil/daemon/daemon.go
@@ -11,6 +11,7 @@ import (
 	"path/filepath"
 	"strconv"
 	"strings"
+	"testing"
 	"time"
 
 	"github.com/docker/docker/api/types"
@@ -28,13 +29,6 @@ import (
 	"gotest.tools/assert"
 )
 
-type testingT interface {
-	assert.TestingT
-	logT
-	Fatalf(string, ...interface{})
-	Name() string
-}
-
 type logT interface {
 	Logf(string, ...interface{})
 }
@@ -143,7 +137,7 @@ func NewDaemon(workingDir string, ops ...Option) (*Daemon, error) {
 // This will create a directory such as d123456789 in the folder specified by
 // $DOCKER_INTEGRATION_DAEMON_DEST or $DEST.
 // The daemon will not automatically start.
-func New(t testingT, ops ...Option) *Daemon {
+func New(t testing.TB, ops ...Option) *Daemon {
 	if ht, ok := t.(testutil.HelperT); ok {
 		ht.Helper()
 	}
@@ -224,7 +218,7 @@ func (d *Daemon) NewClient(extraOpts ...client.Opt) (*client.Client, error) {
 }
 
 // Cleanup cleans the daemon files : exec root (network namespaces, ...), swarmkit files
-func (d *Daemon) Cleanup(t testingT) {
+func (d *Daemon) Cleanup(t testing.TB) {
 	if ht, ok := t.(testutil.HelperT); ok {
 		ht.Helper()
 	}
@@ -234,7 +228,7 @@ func (d *Daemon) Cleanup(t testingT) {
 }
 
 // Start starts the daemon and return once it is ready to receive requests.
-func (d *Daemon) Start(t testingT, args ...string) {
+func (d *Daemon) Start(t testing.TB, args ...string) {
 	if ht, ok := t.(testutil.HelperT); ok {
 		ht.Helper()
 	}
@@ -390,7 +384,7 @@ func (d *Daemon) StartWithLogFile(out *os.File, providedArgs ...string) error {
 
 // StartWithBusybox will first start the daemon with Daemon.Start()
 // then save the busybox image from the main daemon and load it into this Daemon instance.
-func (d *Daemon) StartWithBusybox(t testingT, arg ...string) {
+func (d *Daemon) StartWithBusybox(t testing.TB, arg ...string) {
 	if ht, ok := t.(testutil.HelperT); ok {
 		ht.Helper()
 	}
@@ -449,7 +443,7 @@ func (d *Daemon) DumpStackAndQuit() {
 // Stop will not delete the daemon directory. If a purged daemon is needed,
 // instantiate a new one with NewDaemon.
 // If an error occurs while starting the daemon, the test will fail.
-func (d *Daemon) Stop(t testingT) {
+func (d *Daemon) Stop(t testing.TB) {
 	if ht, ok := t.(testutil.HelperT); ok {
 		ht.Helper()
 	}
@@ -537,7 +531,7 @@ out2:
 
 // Restart will restart the daemon by first stopping it and the starting it.
 // If an error occurs while starting the daemon, the test will fail.
-func (d *Daemon) Restart(t testingT, args ...string) {
+func (d *Daemon) Restart(t testing.TB, args ...string) {
 	if ht, ok := t.(testutil.HelperT); ok {
 		ht.Helper()
 	}
@@ -737,7 +731,7 @@ func (d *Daemon) Info(t assert.TestingT) types.Info {
 	return info
 }
 
-func cleanupRaftDir(t testingT, rootPath string) {
+func cleanupRaftDir(t testing.TB, rootPath string) {
 	if ht, ok := t.(testutil.HelperT); ok {
 		ht.Helper()
 	}
diff --git a/testutil/daemon/daemon_unix.go b/testutil/daemon/daemon_unix.go
index 7936e3878d..a996fb8c7c 100644
--- a/testutil/daemon/daemon_unix.go
+++ b/testutil/daemon/daemon_unix.go
@@ -7,13 +7,14 @@ import (
 	"os"
 	"path/filepath"
 	"strings"
+	"testing"
 
 	"github.com/docker/docker/testutil"
 	"golang.org/x/sys/unix"
 	"gotest.tools/assert"
 )
 
-func cleanupNetworkNamespace(t testingT, execRoot string) {
+func cleanupNetworkNamespace(t testing.TB, execRoot string) {
 	if ht, ok := t.(testutil.HelperT); ok {
 		ht.Helper()
 	}
@@ -33,7 +34,7 @@ func cleanupNetworkNamespace(t testingT, execRoot string) {
 }
 
 // CgroupNamespace returns the cgroup namespace the daemon is running in
-func (d *Daemon) CgroupNamespace(t assert.TestingT) string {
+func (d *Daemon) CgroupNamespace(t testing.TB) string {
 	link, err := os.Readlink(fmt.Sprintf("/proc/%d/ns/cgroup", d.Pid()))
 	assert.NilError(t, err)
 
diff --git a/testutil/daemon/daemon_windows.go b/testutil/daemon/daemon_windows.go
index 4d7226edec..0492d387c6 100644
--- a/testutil/daemon/daemon_windows.go
+++ b/testutil/daemon/daemon_windows.go
@@ -3,6 +3,7 @@ package daemon
 import (
 	"fmt"
 	"strconv"
+	"testing"
 
 	"golang.org/x/sys/windows"
 	"gotest.tools/assert"
@@ -22,11 +23,11 @@ func signalDaemonReload(pid int) error {
 	return fmt.Errorf("daemon reload not supported")
 }
 
-func cleanupNetworkNamespace(t testingT, execRoot string) {
+func cleanupNetworkNamespace(t testing.TB, execRoot string) {
 }
 
 // CgroupNamespace returns the cgroup namespace the daemon is running in
-func (d *Daemon) CgroupNamespace(t assert.TestingT) string {
+func (d *Daemon) CgroupNamespace(t testing.TB) string {
 	assert.Assert(t, false)
 	return "cgroup namespaces are not supported on Windows"
 }
diff --git a/testutil/daemon/swarm.go b/testutil/daemon/swarm.go
index 1bb30e23ae..5c36f5882f 100644
--- a/testutil/daemon/swarm.go
+++ b/testutil/daemon/swarm.go
@@ -3,6 +3,7 @@ package daemon
 import (
 	"context"
 	"fmt"
+	"testing"
 
 	"github.com/docker/docker/api/types/swarm"
 	"github.com/docker/docker/testutil"
@@ -21,7 +22,7 @@ var (
 )
 
 // StartNode (re)starts the daemon
-func (d *Daemon) StartNode(t testingT) {
+func (d *Daemon) StartNode(t testing.TB) {
 	if ht, ok := t.(testutil.HelperT); ok {
 		ht.Helper()
 	}
@@ -29,7 +30,7 @@ func (d *Daemon) StartNode(t testingT) {
 }
 
 // StartNodeWithBusybox starts daemon to be used as a swarm node, and loads the busybox image
-func (d *Daemon) StartNodeWithBusybox(t testingT) {
+func (d *Daemon) StartNodeWithBusybox(t testing.TB) {
 	if ht, ok := t.(testutil.HelperT); ok {
 		ht.Helper()
 	}
@@ -37,7 +38,7 @@ func (d *Daemon) StartNodeWithBusybox(t testingT) {
 }
 
 // RestartNode restarts a daemon to be used as a swarm node
-func (d *Daemon) RestartNode(t testingT) {
+func (d *Daemon) RestartNode(t testing.TB) {
 	if ht, ok := t.(testutil.HelperT); ok {
 		ht.Helper()
 	}
@@ -47,13 +48,13 @@ func (d *Daemon) RestartNode(t testingT) {
 }
 
 // StartAndSwarmInit starts the daemon (with busybox) and init the swarm
-func (d *Daemon) StartAndSwarmInit(t testingT) {
+func (d *Daemon) StartAndSwarmInit(t testing.TB) {
 	d.StartNodeWithBusybox(t)
 	d.SwarmInit(t, swarm.InitRequest{})
 }
 
 // StartAndSwarmJoin starts the daemon (with busybox) and join the specified swarm as worker or manager
-func (d *Daemon) StartAndSwarmJoin(t testingT, leader *Daemon, manager bool) {
+func (d *Daemon) StartAndSwarmJoin(t testing.TB, leader *Daemon, manager bool) {
 	if th, ok := t.(testutil.HelperT); ok {
 		th.Helper()
 	}
diff --git a/testutil/fakecontext/context.go b/testutil/fakecontext/context.go
index 45269d356d..717ec56df7 100644
--- a/testutil/fakecontext/context.go
+++ b/testutil/fakecontext/context.go
@@ -6,19 +6,14 @@ import (
 	"io/ioutil"
 	"os"
 	"path/filepath"
+	"testing"
 
 	"github.com/docker/docker/pkg/archive"
 	"github.com/docker/docker/testutil"
 )
 
-type testingT interface {
-	Fatal(args ...interface{})
-	Fatalf(string, ...interface{})
-	Name() string
-}
-
 // New creates a fake build context
-func New(t testingT, dir string, modifiers ...func(*Fake) error) *Fake {
+func New(t testing.TB, dir string, modifiers ...func(*Fake) error) *Fake {
 	if ht, ok := t.(testutil.HelperT); ok {
 		ht.Helper()
 	}
@@ -120,7 +115,7 @@ func (f *Fake) Close() error {
 }
 
 // AsTarReader returns a ReadCloser with the contents of Dir as a tar archive.
-func (f *Fake) AsTarReader(t testingT) io.ReadCloser {
+func (f *Fake) AsTarReader(t testing.TB) io.ReadCloser {
 	if ht, ok := t.(testutil.HelperT); ok {
 		ht.Helper()
 	}
diff --git a/testutil/fakegit/fakegit.go b/testutil/fakegit/fakegit.go
index 06a01ab9dd..04a7ad4590 100644
--- a/testutil/fakegit/fakegit.go
+++ b/testutil/fakegit/fakegit.go
@@ -8,30 +8,13 @@ import (
 	"os"
 	"os/exec"
 	"path/filepath"
+	"testing"
 
 	"github.com/docker/docker/testutil"
 	"github.com/docker/docker/testutil/fakecontext"
 	"github.com/docker/docker/testutil/fakestorage"
-	"gotest.tools/assert"
 )
 
-type testingT interface {
-	assert.TestingT
-	logT
-	skipT
-	Fatal(args ...interface{})
-	Fatalf(string, ...interface{})
-	Name() string
-}
-
-type logT interface {
-	Logf(string, ...interface{})
-}
-
-type skipT interface {
-	Skip(...interface{})
-}
-
 type gitServer interface {
 	URL() string
 	Close() error
@@ -64,7 +47,7 @@ func (g *FakeGit) Close() {
 }
 
 // New create a fake git server that can be used for git related tests
-func New(c testingT, name string, files map[string]string, enforceLocalServer bool) *FakeGit {
+func New(c testing.TB, name string, files map[string]string, enforceLocalServer bool) *FakeGit {
 	if ht, ok := c.(testutil.HelperT); ok {
 		ht.Helper()
 	}
diff --git a/testutil/fakestorage/fixtures.go b/testutil/fakestorage/fixtures.go
index fa1f0081fc..792584b48d 100644
--- a/testutil/fakestorage/fixtures.go
+++ b/testutil/fakestorage/fixtures.go
@@ -8,6 +8,7 @@ import (
 	"os/exec"
 	"path/filepath"
 	"sync"
+	"testing"
 
 	"github.com/docker/docker/api/types"
 	"github.com/docker/docker/pkg/archive"
@@ -17,7 +18,7 @@ import (
 
 var ensureHTTPServerOnce sync.Once
 
-func ensureHTTPServerImage(t testingT) {
+func ensureHTTPServerImage(t testing.TB) {
 	if ht, ok := t.(testutil.HelperT); ok {
 		ht.Helper()
 	}
diff --git a/testutil/fakestorage/storage.go b/testutil/fakestorage/storage.go
index 404e74714e..cb736cd6b2 100644
--- a/testutil/fakestorage/storage.go
+++ b/testutil/fakestorage/storage.go
@@ -10,6 +10,7 @@ import (
 	"net/url"
 	"os"
 	"strings"
+	"testing"
 
 	"github.com/docker/docker/api/types"
 	containertypes "github.com/docker/docker/api/types/container"
@@ -24,23 +25,6 @@ import (
 
 var testEnv *environment.Execution
 
-type testingT interface {
-	assert.TestingT
-	logT
-	skipT
-	Fatal(args ...interface{})
-	Fatalf(string, ...interface{})
-	Name() string
-}
-
-type logT interface {
-	Logf(string, ...interface{})
-}
-
-type skipT interface {
-	Skip(...interface{})
-}
-
 // Fake is a static file server. It might be running locally or remotely
 // on test host.
 type Fake interface {
@@ -56,7 +40,7 @@ func SetTestEnvironment(env *environment.Execution) {
 }
 
 // New returns a static file server that will be use as build context.
-func New(t testingT, dir string, modifiers ...func(*fakecontext.Fake) error) Fake {
+func New(t testing.TB, dir string, modifiers ...func(*fakecontext.Fake) error) Fake {
 	if ht, ok := t.(testutil.HelperT); ok {
 		ht.Helper()
 	}
@@ -149,7 +133,7 @@ func (f *remoteFileServer) Close() error {
 	})
 }
 
-func newRemoteFileServer(t testingT, ctx *fakecontext.Fake, c client.APIClient) *remoteFileServer {
+func newRemoteFileServer(t testing.TB, ctx *fakecontext.Fake, c client.APIClient) *remoteFileServer {
 	var (
 		image     = fmt.Sprintf("fileserver-img-%s", strings.ToLower(testutil.GenerateRandomAlphaOnlyString(10)))
 		container = fmt.Sprintf("fileserver-cnt-%s", strings.ToLower(testutil.GenerateRandomAlphaOnlyString(10)))
diff --git a/testutil/registry/registry.go b/testutil/registry/registry.go
index 74c0e210b5..9e6d41dd89 100644
--- a/testutil/registry/registry.go
+++ b/testutil/registry/registry.go
@@ -7,6 +7,7 @@ import (
 	"os"
 	"os/exec"
 	"path/filepath"
+	"testing"
 	"time"
 
 	"github.com/docker/docker/testutil"
@@ -23,18 +24,6 @@ const (
 	DefaultURL = "127.0.0.1:5000"
 )
 
-type testingT interface {
-	assert.TestingT
-	logT
-	Fatal(...interface{})
-	Fatalf(string, ...interface{})
-	Name() string
-}
-
-type logT interface {
-	Logf(string, ...interface{})
-}
-
 // V2 represent a registry version 2
 type V2 struct {
 	cmd         *exec.Cmd
@@ -55,7 +44,7 @@ type Config struct {
 }
 
 // NewV2 creates a v2 registry server
-func NewV2(t testingT, ops ...func(*Config)) *V2 {
+func NewV2(t testing.TB, ops ...func(*Config)) *V2 {
 	if ht, ok := t.(testutil.HelperT); ok {
 		ht.Helper()
 	}
@@ -140,7 +129,7 @@ http:
 }
 
 // WaitReady waits for the registry to be ready to serve requests (or fail after a while)
-func (r *V2) WaitReady(t testingT) {
+func (r *V2) WaitReady(t testing.TB) {
 	if ht, ok := t.(testutil.HelperT); ok {
 		ht.Helper()
 	}
@@ -212,7 +201,7 @@ func (r *V2) WriteBlobContents(t assert.TestingT, blobDigest digest.Digest, data
 
 // TempMoveBlobData moves the existing data file aside, so that we can replace it with a
 // malicious blob of data for example.
-func (r *V2) TempMoveBlobData(t testingT, blobDigest digest.Digest) (undo func()) {
+func (r *V2) TempMoveBlobData(t testing.TB, blobDigest digest.Digest) (undo func()) {
 	if ht, ok := t.(testutil.HelperT); ok {
 		ht.Helper()
 	}
diff --git a/testutil/registry/registry_mock.go b/testutil/registry/registry_mock.go
index cb0498a8ab..0281eaee18 100644
--- a/testutil/registry/registry_mock.go
+++ b/testutil/registry/registry_mock.go
@@ -6,6 +6,7 @@ import (
 	"regexp"
 	"strings"
 	"sync"
+	"testing"
 
 	"github.com/docker/docker/testutil"
 )
@@ -28,7 +29,7 @@ func (tr *Mock) RegisterHandler(path string, h handlerFunc) {
 }
 
 // NewMock creates a registry mock
-func NewMock(t testingT) (*Mock, error) {
+func NewMock(t testing.TB) (*Mock, error) {
 	if ht, ok := t.(testutil.HelperT); ok {
 		ht.Helper()
 	}