remove commented code, add unit test

src/pkg/path/builder.go

@@ -201,20 +201,6 @@ func (pb Builder) withPrefix(elements ...string) *Builder {
 	return res
 }
 
-// verifyPrefix ensures that the tenant and resourceOwner are valid
-// values, and that the builder has some directory structure.
-// func (pb Builder) verifyPrefix(tenant, resourceOwner string) error {
-// 	if err := verifyPrefixValues(tenant, resourceOwner); err != nil {
-// 		return err
-// 	}
-
-// 	if len(pb.elements) == 0 {
-// 		return clues.New("missing path beyond prefix")
-// 	}
-
-// 	return nil
-// }
-
 // ---------------------------------------------------------------------------
 // Data Layer Path Transformers
 // ---------------------------------------------------------------------------

src/pkg/path/service_resource_test.go

@@ -3,10 +3,10 @@ package path
 import (
 	"testing"
 
+	"github.com/alcionai/clues"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/suite"
 
-	"github.com/alcionai/clues"
 	"github.com/alcionai/corso/src/internal/tester"
 )
 
@@ -241,3 +241,24 @@ func (suite *ServiceResourceUnitSuite) TestElementsToServiceResource() {
 		})
 	}
 }
+
+func (suite *ServiceResourceUnitSuite) TestToMetadataServices() {
+	srs := []ServiceResource{
+		{ExchangeService, "mailbox"},
+		{OneDriveService, "user"},
+		{SharePointService, "site"},
+		{GroupsService, "group"},
+	}
+
+	expect := []ServiceResource{
+		{ExchangeMetadataService, "mailbox"},
+		{OneDriveMetadataService, "user"},
+		{SharePointMetadataService, "site"},
+		{GroupsMetadataService, "group"},
+	}
+
+	assert.Equal(
+		suite.T(),
+		expect,
+		toMetadataServices(srs))
+}