diff --git a/opts/mount_test.go b/opts/mount_test.go
index 59606c38..72aaa625 100644
--- a/opts/mount_test.go
+++ b/opts/mount_test.go
@@ -5,7 +5,9 @@ import (
 	"testing"
 
 	mounttypes "github.com/docker/docker/api/types/mount"
-	"github.com/docker/docker/pkg/testutil/assert"
+	"github.com/docker/docker/pkg/testutil"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
 )
 
 func TestMountOptString(t *testing.T) {
@@ -24,7 +26,7 @@ func TestMountOptString(t *testing.T) {
 		},
 	}
 	expected := "bind /home/path /target, volume foo /target/foo"
-	assert.Equal(t, mount.String(), expected)
+	assert.Equal(t, expected, mount.String())
 }
 
 func TestMountOptSetBindNoErrorBind(t *testing.T) {
@@ -37,15 +39,15 @@ func TestMountOptSetBindNoErrorBind(t *testing.T) {
 	} {
 		var mount MountOpt
 
-		assert.NilError(t, mount.Set(testcase))
+		assert.NoError(t, mount.Set(testcase))
 
 		mounts := mount.Value()
-		assert.Equal(t, len(mounts), 1)
-		assert.Equal(t, mounts[0], mounttypes.Mount{
+		require.Len(t, mounts, 1)
+		assert.Equal(t, mounttypes.Mount{
 			Type:   mounttypes.TypeBind,
 			Source: "/source",
 			Target: "/target",
-		})
+		}, mounts[0])
 	}
 }
 
@@ -59,15 +61,15 @@ func TestMountOptSetVolumeNoError(t *testing.T) {
 	} {
 		var mount MountOpt
 
-		assert.NilError(t, mount.Set(testcase))
+		assert.NoError(t, mount.Set(testcase))
 
 		mounts := mount.Value()
-		assert.Equal(t, len(mounts), 1)
-		assert.Equal(t, mounts[0], mounttypes.Mount{
+		require.Len(t, mounts, 1)
+		assert.Equal(t, mounttypes.Mount{
 			Type:   mounttypes.TypeVolume,
 			Source: "/source",
 			Target: "/target",
-		})
+		}, mounts[0])
 	}
 }
 
@@ -75,82 +77,82 @@ func TestMountOptSetVolumeNoError(t *testing.T) {
 // volume mount.
 func TestMountOptDefaultType(t *testing.T) {
 	var mount MountOpt
-	assert.NilError(t, mount.Set("target=/target,source=/foo"))
-	assert.Equal(t, mount.values[0].Type, mounttypes.TypeVolume)
+	assert.NoError(t, mount.Set("target=/target,source=/foo"))
+	assert.Equal(t, mounttypes.TypeVolume, mount.values[0].Type)
 }
 
 func TestMountOptSetErrorNoTarget(t *testing.T) {
 	var mount MountOpt
-	assert.Error(t, mount.Set("type=volume,source=/foo"), "target is required")
+	assert.EqualError(t, mount.Set("type=volume,source=/foo"), "target is required")
 }
 
 func TestMountOptSetErrorInvalidKey(t *testing.T) {
 	var mount MountOpt
-	assert.Error(t, mount.Set("type=volume,bogus=foo"), "unexpected key 'bogus'")
+	assert.EqualError(t, mount.Set("type=volume,bogus=foo"), "unexpected key 'bogus' in 'bogus=foo'")
 }
 
 func TestMountOptSetErrorInvalidField(t *testing.T) {
 	var mount MountOpt
-	assert.Error(t, mount.Set("type=volume,bogus"), "invalid field 'bogus'")
+	assert.EqualError(t, mount.Set("type=volume,bogus"), "invalid field 'bogus' must be a key=value pair")
 }
 
 func TestMountOptSetErrorInvalidReadOnly(t *testing.T) {
 	var mount MountOpt
-	assert.Error(t, mount.Set("type=volume,readonly=no"), "invalid value for readonly: no")
-	assert.Error(t, mount.Set("type=volume,readonly=invalid"), "invalid value for readonly: invalid")
+	assert.EqualError(t, mount.Set("type=volume,readonly=no"), "invalid value for readonly: no")
+	assert.EqualError(t, mount.Set("type=volume,readonly=invalid"), "invalid value for readonly: invalid")
 }
 
 func TestMountOptDefaultEnableReadOnly(t *testing.T) {
 	var m MountOpt
-	assert.NilError(t, m.Set("type=bind,target=/foo,source=/foo"))
-	assert.Equal(t, m.values[0].ReadOnly, false)
+	assert.NoError(t, m.Set("type=bind,target=/foo,source=/foo"))
+	assert.False(t, m.values[0].ReadOnly)
 
 	m = MountOpt{}
-	assert.NilError(t, m.Set("type=bind,target=/foo,source=/foo,readonly"))
-	assert.Equal(t, m.values[0].ReadOnly, true)
+	assert.NoError(t, m.Set("type=bind,target=/foo,source=/foo,readonly"))
+	assert.True(t, m.values[0].ReadOnly)
 
 	m = MountOpt{}
-	assert.NilError(t, m.Set("type=bind,target=/foo,source=/foo,readonly=1"))
-	assert.Equal(t, m.values[0].ReadOnly, true)
+	assert.NoError(t, m.Set("type=bind,target=/foo,source=/foo,readonly=1"))
+	assert.True(t, m.values[0].ReadOnly)
 
 	m = MountOpt{}
-	assert.NilError(t, m.Set("type=bind,target=/foo,source=/foo,readonly=true"))
-	assert.Equal(t, m.values[0].ReadOnly, true)
+	assert.NoError(t, m.Set("type=bind,target=/foo,source=/foo,readonly=true"))
+	assert.True(t, m.values[0].ReadOnly)
 
 	m = MountOpt{}
-	assert.NilError(t, m.Set("type=bind,target=/foo,source=/foo,readonly=0"))
-	assert.Equal(t, m.values[0].ReadOnly, false)
+	assert.NoError(t, m.Set("type=bind,target=/foo,source=/foo,readonly=0"))
+	assert.False(t, m.values[0].ReadOnly)
 }
 
 func TestMountOptVolumeNoCopy(t *testing.T) {
 	var m MountOpt
-	assert.NilError(t, m.Set("type=volume,target=/foo,volume-nocopy"))
-	assert.Equal(t, m.values[0].Source, "")
+	assert.NoError(t, m.Set("type=volume,target=/foo,volume-nocopy"))
+	assert.Equal(t, "", m.values[0].Source)
 
 	m = MountOpt{}
-	assert.NilError(t, m.Set("type=volume,target=/foo,source=foo"))
-	assert.Equal(t, m.values[0].VolumeOptions == nil, true)
+	assert.NoError(t, m.Set("type=volume,target=/foo,source=foo"))
+	assert.True(t, m.values[0].VolumeOptions == nil)
 
 	m = MountOpt{}
-	assert.NilError(t, m.Set("type=volume,target=/foo,source=foo,volume-nocopy=true"))
-	assert.Equal(t, m.values[0].VolumeOptions != nil, true)
-	assert.Equal(t, m.values[0].VolumeOptions.NoCopy, true)
+	assert.NoError(t, m.Set("type=volume,target=/foo,source=foo,volume-nocopy=true"))
+	assert.True(t, m.values[0].VolumeOptions != nil)
+	assert.True(t, m.values[0].VolumeOptions.NoCopy)
 
 	m = MountOpt{}
-	assert.NilError(t, m.Set("type=volume,target=/foo,source=foo,volume-nocopy"))
-	assert.Equal(t, m.values[0].VolumeOptions != nil, true)
-	assert.Equal(t, m.values[0].VolumeOptions.NoCopy, true)
+	assert.NoError(t, m.Set("type=volume,target=/foo,source=foo,volume-nocopy"))
+	assert.True(t, m.values[0].VolumeOptions != nil)
+	assert.True(t, m.values[0].VolumeOptions.NoCopy)
 
 	m = MountOpt{}
-	assert.NilError(t, m.Set("type=volume,target=/foo,source=foo,volume-nocopy=1"))
-	assert.Equal(t, m.values[0].VolumeOptions != nil, true)
-	assert.Equal(t, m.values[0].VolumeOptions.NoCopy, true)
+	assert.NoError(t, m.Set("type=volume,target=/foo,source=foo,volume-nocopy=1"))
+	assert.True(t, m.values[0].VolumeOptions != nil)
+	assert.True(t, m.values[0].VolumeOptions.NoCopy)
 }
 
 func TestMountOptTypeConflict(t *testing.T) {
 	var m MountOpt
-	assert.Error(t, m.Set("type=bind,target=/foo,source=/foo,volume-nocopy=true"), "cannot mix")
-	assert.Error(t, m.Set("type=volume,target=/foo,source=/foo,bind-propagation=rprivate"), "cannot mix")
+	testutil.ErrorContains(t, m.Set("type=bind,target=/foo,source=/foo,volume-nocopy=true"), "cannot mix")
+	testutil.ErrorContains(t, m.Set("type=volume,target=/foo,source=/foo,bind-propagation=rprivate"), "cannot mix")
 }
 
 func TestMountOptSetTmpfsNoError(t *testing.T) {
@@ -161,24 +163,24 @@ func TestMountOptSetTmpfsNoError(t *testing.T) {
 	} {
 		var mount MountOpt
 
-		assert.NilError(t, mount.Set(testcase))
+		assert.NoError(t, mount.Set(testcase))
 
 		mounts := mount.Value()
-		assert.Equal(t, len(mounts), 1)
-		assert.DeepEqual(t, mounts[0], mounttypes.Mount{
+		require.Len(t, mounts, 1)
+		assert.Equal(t, mounttypes.Mount{
 			Type:   mounttypes.TypeTmpfs,
 			Target: "/target",
 			TmpfsOptions: &mounttypes.TmpfsOptions{
 				SizeBytes: 1024 * 1024, // not 1000 * 1000
 				Mode:      os.FileMode(0700),
 			},
-		})
+		}, mounts[0])
 	}
 }
 
 func TestMountOptSetTmpfsError(t *testing.T) {
 	var m MountOpt
-	assert.Error(t, m.Set("type=tmpfs,target=/foo,tmpfs-size=foo"), "invalid value for tmpfs-size")
-	assert.Error(t, m.Set("type=tmpfs,target=/foo,tmpfs-mode=foo"), "invalid value for tmpfs-mode")
-	assert.Error(t, m.Set("type=tmpfs"), "target is required")
+	testutil.ErrorContains(t, m.Set("type=tmpfs,target=/foo,tmpfs-size=foo"), "invalid value for tmpfs-size")
+	testutil.ErrorContains(t, m.Set("type=tmpfs,target=/foo,tmpfs-mode=foo"), "invalid value for tmpfs-mode")
+	testutil.ErrorContains(t, m.Set("type=tmpfs"), "target is required")
 }
diff --git a/opts/port_test.go b/opts/port_test.go
index a483d269..9315b721 100644
--- a/opts/port_test.go
+++ b/opts/port_test.go
@@ -4,7 +4,8 @@ import (
 	"testing"
 
 	"github.com/docker/docker/api/types/swarm"
-	"github.com/docker/docker/pkg/testutil/assert"
+	"github.com/docker/docker/pkg/testutil"
+	"github.com/stretchr/testify/assert"
 )
 
 func TestPortOptValidSimpleSyntax(t *testing.T) {
@@ -98,8 +99,8 @@ func TestPortOptValidSimpleSyntax(t *testing.T) {
 	}
 	for _, tc := range testCases {
 		var port PortOpt
-		assert.NilError(t, port.Set(tc.value))
-		assert.Equal(t, len(port.Value()), len(tc.expected))
+		assert.NoError(t, port.Set(tc.value))
+		assert.Len(t, port.Value(), len(tc.expected))
 		for _, expectedPortConfig := range tc.expected {
 			assertContains(t, port.Value(), expectedPortConfig)
 		}
@@ -189,8 +190,8 @@ func TestPortOptValidComplexSyntax(t *testing.T) {
 	}
 	for _, tc := range testCases {
 		var port PortOpt
-		assert.NilError(t, port.Set(tc.value))
-		assert.Equal(t, len(port.Value()), len(tc.expected))
+		assert.NoError(t, port.Set(tc.value))
+		assert.Len(t, port.Value(), len(tc.expected))
 		for _, expectedPortConfig := range tc.expected {
 			assertContains(t, port.Value(), expectedPortConfig)
 		}
@@ -241,7 +242,7 @@ func TestPortOptInvalidComplexSyntax(t *testing.T) {
 	}
 	for _, tc := range testCases {
 		var port PortOpt
-		assert.Error(t, port.Set(tc.value), tc.expectedError)
+		testutil.ErrorContains(t, port.Set(tc.value), tc.expectedError)
 	}
 }
 
@@ -268,16 +269,16 @@ func TestPortOptInvalidSimpleSyntax(t *testing.T) {
 		},
 		{
 			value:         "",
-			expectedError: "No port specified",
+			expectedError: "No port specified: <empty>",
 		},
 		{
 			value:         "1.1.1.1:80:80",
-			expectedError: "HostIP is not supported",
+			expectedError: "HostIP is not supported.",
 		},
 	}
 	for _, tc := range testCases {
 		var port PortOpt
-		assert.Error(t, port.Set(tc.value), tc.expectedError)
+		assert.EqualError(t, port.Set(tc.value), tc.expectedError)
 	}
 }
 
diff --git a/opts/quotedstring_test.go b/opts/quotedstring_test.go
index 0ebf04bb..54dcbc19 100644
--- a/opts/quotedstring_test.go
+++ b/opts/quotedstring_test.go
@@ -1,28 +1,29 @@
 package opts
 
 import (
-	"github.com/docker/docker/pkg/testutil/assert"
 	"testing"
+
+	"github.com/stretchr/testify/assert"
 )
 
 func TestQuotedStringSetWithQuotes(t *testing.T) {
 	value := ""
 	qs := NewQuotedString(&value)
-	assert.NilError(t, qs.Set("\"something\""))
-	assert.Equal(t, qs.String(), "something")
-	assert.Equal(t, value, "something")
+	assert.NoError(t, qs.Set(`"something"`))
+	assert.Equal(t, "something", qs.String())
+	assert.Equal(t, "something", value)
 }
 
 func TestQuotedStringSetWithMismatchedQuotes(t *testing.T) {
 	value := ""
 	qs := NewQuotedString(&value)
-	assert.NilError(t, qs.Set("\"something'"))
-	assert.Equal(t, qs.String(), "\"something'")
+	assert.NoError(t, qs.Set(`"something'`))
+	assert.Equal(t, `"something'`, qs.String())
 }
 
 func TestQuotedStringSetWithNoQuotes(t *testing.T) {
 	value := ""
 	qs := NewQuotedString(&value)
-	assert.NilError(t, qs.Set("something"))
-	assert.Equal(t, qs.String(), "something")
+	assert.NoError(t, qs.Set("something"))
+	assert.Equal(t, "something", qs.String())
 }
diff --git a/opts/secret_test.go b/opts/secret_test.go
index 5654c79f..ad0005e4 100644
--- a/opts/secret_test.go
+++ b/opts/secret_test.go
@@ -4,76 +4,77 @@ import (
 	"os"
 	"testing"
 
-	"github.com/docker/docker/pkg/testutil/assert"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
 )
 
 func TestSecretOptionsSimple(t *testing.T) {
 	var opt SecretOpt
 
 	testCase := "app-secret"
-	assert.NilError(t, opt.Set(testCase))
+	assert.NoError(t, opt.Set(testCase))
 
 	reqs := opt.Value()
-	assert.Equal(t, len(reqs), 1)
+	require.Len(t, reqs, 1)
 	req := reqs[0]
-	assert.Equal(t, req.SecretName, "app-secret")
-	assert.Equal(t, req.File.Name, "app-secret")
-	assert.Equal(t, req.File.UID, "0")
-	assert.Equal(t, req.File.GID, "0")
+	assert.Equal(t, "app-secret", req.SecretName)
+	assert.Equal(t, "app-secret", req.File.Name)
+	assert.Equal(t, "0", req.File.UID)
+	assert.Equal(t, "0", req.File.GID)
 }
 
 func TestSecretOptionsSourceTarget(t *testing.T) {
 	var opt SecretOpt
 
 	testCase := "source=foo,target=testing"
-	assert.NilError(t, opt.Set(testCase))
+	assert.NoError(t, opt.Set(testCase))
 
 	reqs := opt.Value()
-	assert.Equal(t, len(reqs), 1)
+	require.Len(t, reqs, 1)
 	req := reqs[0]
-	assert.Equal(t, req.SecretName, "foo")
-	assert.Equal(t, req.File.Name, "testing")
+	assert.Equal(t, "foo", req.SecretName)
+	assert.Equal(t, "testing", req.File.Name)
 }
 
 func TestSecretOptionsShorthand(t *testing.T) {
 	var opt SecretOpt
 
 	testCase := "src=foo,target=testing"
-	assert.NilError(t, opt.Set(testCase))
+	assert.NoError(t, opt.Set(testCase))
 
 	reqs := opt.Value()
-	assert.Equal(t, len(reqs), 1)
+	require.Len(t, reqs, 1)
 	req := reqs[0]
-	assert.Equal(t, req.SecretName, "foo")
+	assert.Equal(t, "foo", req.SecretName)
 }
 
 func TestSecretOptionsCustomUidGid(t *testing.T) {
 	var opt SecretOpt
 
 	testCase := "source=foo,target=testing,uid=1000,gid=1001"
-	assert.NilError(t, opt.Set(testCase))
+	assert.NoError(t, opt.Set(testCase))
 
 	reqs := opt.Value()
-	assert.Equal(t, len(reqs), 1)
+	require.Len(t, reqs, 1)
 	req := reqs[0]
-	assert.Equal(t, req.SecretName, "foo")
-	assert.Equal(t, req.File.Name, "testing")
-	assert.Equal(t, req.File.UID, "1000")
-	assert.Equal(t, req.File.GID, "1001")
+	assert.Equal(t, "foo", req.SecretName)
+	assert.Equal(t, "testing", req.File.Name)
+	assert.Equal(t, "1000", req.File.UID)
+	assert.Equal(t, "1001", req.File.GID)
 }
 
 func TestSecretOptionsCustomMode(t *testing.T) {
 	var opt SecretOpt
 
 	testCase := "source=foo,target=testing,uid=1000,gid=1001,mode=0444"
-	assert.NilError(t, opt.Set(testCase))
+	assert.NoError(t, opt.Set(testCase))
 
 	reqs := opt.Value()
-	assert.Equal(t, len(reqs), 1)
+	require.Len(t, reqs, 1)
 	req := reqs[0]
-	assert.Equal(t, req.SecretName, "foo")
-	assert.Equal(t, req.File.Name, "testing")
-	assert.Equal(t, req.File.UID, "1000")
-	assert.Equal(t, req.File.GID, "1001")
-	assert.Equal(t, req.File.Mode, os.FileMode(0444))
+	assert.Equal(t, "foo", req.SecretName)
+	assert.Equal(t, "testing", req.File.Name)
+	assert.Equal(t, "1000", req.File.UID)
+	assert.Equal(t, "1001", req.File.GID)
+	assert.Equal(t, os.FileMode(0444), req.File.Mode)
 }