chore: move x/testtools into internal

Author: lucarin91

pkg/x/testtools/adbd_container.go renamed to internal/testtools/adbd_container.go

@@ -14,12 +14,12 @@ import (
 	"github.com/stretchr/testify/require"
 
 	"github.com/arduino/arduino-app-cli/cmd/feedback"
+	"github.com/arduino/arduino-app-cli/internal/testtools"
 	"github.com/arduino/arduino-app-cli/pkg/board/remote"
 	"github.com/arduino/arduino-app-cli/pkg/board/remote/adb"
 	"github.com/arduino/arduino-app-cli/pkg/board/remote/local"
 	"github.com/arduino/arduino-app-cli/pkg/board/remote/ssh"
 	"github.com/arduino/arduino-app-cli/pkg/x/ports"
-	"github.com/arduino/arduino-app-cli/pkg/x/testtools"
 )
 
 func TestRemoteFS(t *testing.T) {

pkg/board/remote/remote_test.go

@@ -10,12 +10,12 @@ import (
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 
+	"github.com/arduino/arduino-app-cli/internal/testtools"
 	"github.com/arduino/arduino-app-cli/pkg/board/remote"
 	"github.com/arduino/arduino-app-cli/pkg/board/remote/adb"
 	"github.com/arduino/arduino-app-cli/pkg/board/remote/local"
 	"github.com/arduino/arduino-app-cli/pkg/board/remote/ssh"
 	"github.com/arduino/arduino-app-cli/pkg/board/remotefs"
-	"github.com/arduino/arduino-app-cli/pkg/x/testtools"
 )
 
 func TestRemoteFS(t *testing.T) {