Remove e2e "difficult" label

All tests in multi-cluster are difficult

e2e/multi-cluster/bundle_namespace_mapping_test.go

@@ -11,7 +11,9 @@ import (
 	"github.com/rancher/fleet/e2e/testenv/kubectl"
 )
 
-var _ = Describe("Bundle Namespace Mapping", Label("difficult"), func() {
+// This test uses two clusters to demonstrate matching clusters in different
+// namespaces. Therefore it's setup and input configuration is difficult.
+var _ = Describe("Bundle Namespace Mapping", func() {
 	var (
 		k  kubectl.Command
 		kd kubectl.Command

e2e/multi-cluster/depends_on_test.go

@@ -13,7 +13,7 @@ import (
 	fleet "github.com/rancher/fleet/pkg/apis/fleet.cattle.io/v1alpha1"
 )
 
-var _ = Describe("Bundle Depends On", Label("difficult"), func() {
+var _ = Describe("Bundle Depends On", func() {
 	var (
 		k kubectl.Command
 

internal/cmd/cli/apply/apply.go

@@ -213,7 +213,8 @@ func Dir(ctx context.Context, client Getter, name, baseDir string, opts *Options
 	if opts == nil {
 		opts = &Options{}
 	}
-	// the bundleID is a valid helm release name, it's used as a default if a release name is not specified in helm options
+	// The bundleID is a valid helm release name, it's used as a default if a release name is not specified in helm options.
+	// It's also used to create the bundle name.
 	bundleID := filepath.Join(name, baseDir)
 	bundleID = name2.HelmReleaseName(bundleID)