Add test for GitHub enterprise URI detection

Signed-off-by: Oren Shomron <shomron@gmail.com>

pkg/actions/registry_add_test.go

@@ -43,6 +43,12 @@ func TestRegistryAdd(t *testing.T) {
 				expectedURI: "github.com/foo/bar",
 				protocol:    registry.ProtocolGitHub,
 			},
+			{
+				name:        "github enterprise",
+				uri:         "github.foo.com/foo/bar",
+				expectedURI: "github.foo.com/foo/bar",
+				protocol:    registry.ProtocolGitHub,
+			},
 			{
 				name:        "github override",
 				uri:         "github.com/foo/bar",