SharePoint: Mock: Stream and Colleciton Mock Expansion (#1965)

## Description
Mocks created for testing `SharePoint.List` restore operations
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## Does this PR need a docs update or release note?
- [x] ⛔ No 

## Type of change

<!--- Please check the type of change your PR introduces: --->

- [x] 💻 CI/Deployment
- [x] 🐹 Trivial/Minor

## Issue(s)

<!-- Can reference multiple issues. Use one of the following "magic words" - "closes, fixes" to auto-close the Github issue. -->
* related to #1935<issue>

## Test Plan

<!-- How will this be tested prior to merging.-->
- [x] 💪 Manual

src/internal/connector/mockconnector/mock_data_list.go

@@ -1,16 +1,86 @@
 package mockconnector
 
 import (
+	"bytes"
+	"io"
+	"testing"
+
 	kw "github.com/microsoft/kiota-serialization-json-go"
 	"github.com/microsoftgraph/msgraph-sdk-go/models"
+	"github.com/stretchr/testify/require"
+
+	"github.com/alcionai/corso/src/internal/data"
+	"github.com/alcionai/corso/src/pkg/path"
 )
 
+var (
+	_ data.Stream     = &MockListData{}
+	_ data.Collection = &MockListCollection{}
+)
+
+type MockListCollection struct {
+	fullPath path.Path
+	Data     []*MockListData
+	Names    []string
+}
+
+func (mlc *MockListCollection) State() data.CollectionState {
+	return data.NewState
+}
+
+func (mlc *MockListCollection) FullPath() path.Path {
+	return mlc.fullPath
+}
+
+func (mlc *MockListCollection) DoNotMergeItems() bool {
+	return false
+}
+
+func (mlc *MockListCollection) PreviousPath() path.Path {
+	return nil
+}
+
+func (mlc *MockListCollection) Items() <-chan data.Stream {
+	res := make(chan data.Stream)
+
+	go func() {
+		defer close(res)
+
+		for _, stream := range mlc.Data {
+			res <- stream
+		}
+	}()
+
+	return res
+}
+
+type MockListData struct {
+	ID      string
+	Reader  io.ReadCloser
+	ReadErr error
+	size    int64
+	deleted bool
+}
+
+func (mld *MockListData) UUID() string {
+	return mld.ID
+}
+
+func (mld MockListData) Deleted() bool {
+	return mld.deleted
+}
+
+func (mld *MockListData) ToReader() io.ReadCloser {
+	return mld.Reader
+}
+
 // GetMockList returns a Listable object with generic
 // information.
 // Source: https://learn.microsoft.com/en-us/graph/api/list-create?view=graph-rest-1.0&tabs=go
 func GetMockList(title string) models.Listable {
 	requestBody := models.NewList()
 	requestBody.SetDisplayName(&title)
+	requestBody.SetName(&title)
 
 	columnDef := models.NewColumnDefinition()
 	name := "Author"
@@ -54,3 +124,18 @@ func GetMockListBytes(title string) ([]byte, error) {
 
 	return objectWriter.GetSerializedContent()
 }
+
+// GetMockListStream returns the data.Stream representation
+// of the Mocked SharePoint List
+func GetMockListStream(t *testing.T, title string) *MockListData {
+	byteArray, err := GetMockListBytes(title)
+	require.NoError(t, err)
+
+	listData := &MockListData{
+		ID:     title,
+		Reader: io.NopCloser(bytes.NewReader(byteArray)),
+		size:   int64(len(byteArray)),
+	}
+
+	return listData
+}