bump gotest.tools v3.0.1 for compatibility with Go 1.14

full diff: https://github.com/gotestyourself/gotest.tools/compare/v2.3.0...v3.0.1

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

cli/command/formatter/container_test.go

@@ -10,9 +10,9 @@ import (
 
 	"github.com/docker/docker/api/types"
 	"github.com/docker/docker/pkg/stringid"
-	"gotest.tools/assert"
-	is "gotest.tools/assert/cmp"
-	"gotest.tools/golden"
+	"gotest.tools/v3/assert"
+	is "gotest.tools/v3/assert/cmp"
+	"gotest.tools/v3/golden"
 )
 
 func TestContainerPsContext(t *testing.T) {

cli/command/formatter/disk_usage_test.go

@@ -4,9 +4,9 @@ import (
 	"bytes"
 	"testing"
 
-	"gotest.tools/assert"
-	is "gotest.tools/assert/cmp"
-	"gotest.tools/golden"
+	"gotest.tools/v3/assert"
+	is "gotest.tools/v3/assert/cmp"
+	"gotest.tools/v3/golden"
 )
 
 func TestDiskUsageContextFormatWrite(t *testing.T) {

cli/command/formatter/displayutils_test.go

@@ -3,8 +3,8 @@ package formatter
 import (
 	"testing"
 
-	"gotest.tools/assert"
-	is "gotest.tools/assert/cmp"
+	"gotest.tools/v3/assert"
+	is "gotest.tools/v3/assert/cmp"
 )
 
 func TestEllipsis(t *testing.T) {

cli/command/formatter/image_test.go

@@ -9,8 +9,8 @@ import (
 
 	"github.com/docker/docker/api/types"
 	"github.com/docker/docker/pkg/stringid"
-	"gotest.tools/assert"
-	is "gotest.tools/assert/cmp"
+	"gotest.tools/v3/assert"
+	is "gotest.tools/v3/assert/cmp"
 )
 
 func TestImageContext(t *testing.T) {

cli/command/formatter/volume_test.go

@@ -9,8 +9,8 @@ import (
 
 	"github.com/docker/docker/api/types"
 	"github.com/docker/docker/pkg/stringid"
-	"gotest.tools/assert"
-	is "gotest.tools/assert/cmp"
+	"gotest.tools/v3/assert"
+	is "gotest.tools/v3/assert/cmp"
 )
 
 func TestVolumeContext(t *testing.T) {