internal/test: keep FakeCli from contacting Docker Desktop

Tests that use FakeCli pull, push, and create containers through RetrieveAuthTokenFromImage. Disable the Docker Desktop lookup, so that they never reach the Docker Desktop of the machine they run on.

Signed-off-by: Alano Terblanche <18033717+Benehiko@users.noreply.github.com>

internal/test/cli.go

@@ -12,6 +12,7 @@ import (
 	manifeststore "github.com/docker/cli/cli/manifest/store"
 	"github.com/docker/cli/cli/streams"
 	"github.com/docker/cli/internal/registryclient"
+	"github.com/docker/cli/internal/secretsengine"
 	"github.com/moby/moby/client"
 )
 
@@ -35,6 +36,7 @@ type FakeCli struct {
 
 // NewFakeCli returns a fake for the command.Cli interface
 func NewFakeCli(apiClient client.APIClient, opts ...func(*FakeCli)) *FakeCli {
+	secretsengine.Disable()
 	outBuffer := new(bytes.Buffer)
 	errBuffer := new(bytes.Buffer)
 	c := &FakeCli{