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>

e2e/container/attach_test.go

@@ -6,7 +6,7 @@ import (
 	"testing"
 
 	"github.com/docker/cli/e2e/internal/fixtures"
-	"gotest.tools/icmd"
+	"gotest.tools/v3/icmd"
 )
 
 func TestAttachExitCode(t *testing.T) {

e2e/container/create_test.go

@@ -6,8 +6,8 @@ import (
 
 	"github.com/docker/cli/e2e/internal/fixtures"
 	"github.com/docker/cli/internal/test/environment"
-	"gotest.tools/icmd"
-	"gotest.tools/skip"
+	"gotest.tools/v3/icmd"
+	"gotest.tools/v3/skip"
 )
 
 func TestCreateWithContentTrust(t *testing.T) {

e2e/container/kill_test.go

@@ -6,8 +6,8 @@ import (
 	"time"
 
 	"github.com/docker/cli/e2e/internal/fixtures"
-	"gotest.tools/icmd"
-	"gotest.tools/poll"
+	"gotest.tools/v3/icmd"
+	"gotest.tools/v3/poll"
 )
 
 func TestKillContainer(t *testing.T) {

e2e/container/proxy_signal_test.go

@@ -9,9 +9,9 @@ import (
 
 	"github.com/creack/pty"
 	"github.com/docker/cli/e2e/internal/fixtures"
-	"gotest.tools/assert"
-	"gotest.tools/icmd"
-	"gotest.tools/poll"
+	"gotest.tools/v3/assert"
+	"gotest.tools/v3/icmd"
+	"gotest.tools/v3/poll"
 )
 
 // TestSigProxyWithTTY tests that killing the docker CLI forwards the signal to

e2e/container/run_test.go

@@ -6,11 +6,11 @@ import (
 
 	"github.com/docker/cli/e2e/internal/fixtures"
 	"github.com/docker/cli/internal/test/environment"
-	"gotest.tools/assert"
-	is "gotest.tools/assert/cmp"
-	"gotest.tools/golden"
-	"gotest.tools/icmd"
-	"gotest.tools/skip"
+	"gotest.tools/v3/assert"
+	is "gotest.tools/v3/assert/cmp"
+	"gotest.tools/v3/golden"
+	"gotest.tools/v3/icmd"
+	"gotest.tools/v3/skip"
 )
 
 const registryPrefix = "registry:5000"