diff --git a/app/utils/project.js b/app/utils/project.js
index 4636f8d..4c8df59 100644
--- a/app/utils/project.js
+++ b/app/utils/project.js
@@ -588,7 +588,6 @@ export default class ProjectUtil {
    * @param {array} assetGroups Array of asset group objects
    * @returns A modified copy of assetGroups that has the paths converted from absolute to relative
    */
-  // TODO - unit tests!!
   static absoluteToRelativePathForAssetGroups(projectPath, assetGroups) {
     // If the array of asset groups isn't defined, we will return an empty array just to start
     // initializing the collection.
@@ -613,7 +612,6 @@ export default class ProjectUtil {
    * @param {array} assetGroups Array of asset group objects
    * @returns A modified copy of assetGroups that has the paths converted from relative to absolute
    */
-  // TODO - unit tests!!
   static relativeToAbsolutePathForAssetGroups(projectPath, assetGroups) {
     // If the array of asset groups isn't defined, we will return an empty array just to start
     // initializing the collection.
diff --git a/test/utils/project.spec.js b/test/utils/project.spec.js
index db4cba7..f31da14 100644
--- a/test/utils/project.spec.js
+++ b/test/utils/project.spec.js
@@ -4,6 +4,7 @@ import { v4 as uuid } from 'uuid';
 import ProjectUtil from '../../app/utils/project';
 import Constants from '../../app/constants/constants';
 import WorkflowUtil from '../../app/utils/workflow';
+import AssetUtil from '../../app/utils/asset';
 
 jest.mock('uuid');
 
@@ -1548,4 +1549,72 @@ describe('utils', () => {
       expect(project.externalAssets.children.length).toEqual(1);
     });
   });
+
+  describe('absoluteToRelativePathForAssetGroups', () => {
+    it('should return an empty array if assetGroups is null', () => {
+      expect(ProjectUtil.absoluteToRelativePathForAssetGroups('/project', null)).toEqual([]);
+    });
+
+    it('should return an empty array if assetGroups is undefined', () => {
+      expect(ProjectUtil.absoluteToRelativePathForAssetGroups('/project', undefined)).toEqual([]);
+    });
+
+    it('should convert absolute paths to relative paths for each asset group', () => {
+      const isWin = process.platform === 'win32';
+      const projectPath = isWin ? 'C:\\project' : '/project';
+      
+      const file1Path = isWin ? 'C:\\project\\file1' : '/project/file1';
+      const file2Path = isWin ? 'C:\\project\\dir\\file2' : '/project/dir/file2';
+      const file3Path = isWin ? 'C:\\project\\file3' : '/project/file3';
+      
+      const testAssetGroups = [
+        { name: 'Group 1', assets: [{ uri: file1Path, type: Constants.AssetType.FILE }, { uri: file2Path, type: Constants.AssetType.FILE }] },
+        { name: 'Group 2', assets: [{ uri: file3Path, type: Constants.AssetType.FILE }] },
+      ];
+
+      // Clone the test groups carefully to avoid in-place modification issues
+      const inputGroups = JSON.parse(JSON.stringify(testAssetGroups));
+      const result = ProjectUtil.absoluteToRelativePathForAssetGroups(projectPath, inputGroups);
+      
+      // The method normalizes separators to POSIX internally
+      const expectedFile2Relative = 'dir/file2';
+      
+      // Assert the realistic outcome
+      expect(result[0].assets).toEqual([{ uri: 'file1', type: Constants.AssetType.FILE }, { uri: expectedFile2Relative, type: Constants.AssetType.FILE }]);
+      expect(result[1].assets).toEqual([{ uri: 'file3', type: Constants.AssetType.FILE }]);
+    });
+  });
+
+  describe('relativeToAbsolutePathForAssetGroups', () => {
+    it('should return an empty array if assetGroups is null', () => {
+      expect(ProjectUtil.relativeToAbsolutePathForAssetGroups('/project', null)).toEqual([]);
+    });
+
+    it('should return an empty array if assetGroups is undefined', () => {
+      expect(ProjectUtil.relativeToAbsolutePathForAssetGroups('/project', undefined)).toEqual([]);
+    });
+
+    it('should convert relative paths to absolute paths for each asset group', () => {
+      const isWin = process.platform === 'win32';
+      const projectPath = isWin ? 'C:\\project' : '/project';
+      
+      const expectedFile1 = isWin ? 'C:\\project\\file1' : '/project/file1';
+      const expectedFile2 = isWin ? 'C:\\project\\dir\\file2' : '/project/dir/file2';
+      const expectedFile3 = isWin ? 'C:\\project\\file3' : '/project/file3';
+      
+      const relativeFile2 = 'dir/file2';
+      
+      const testAssetGroups = [
+        { name: 'Group 1', assets: [{ uri: 'file1', type: Constants.AssetType.FILE }, { uri: relativeFile2, type: Constants.AssetType.FILE }] },
+        { name: 'Group 2', assets: [{ uri: 'file3', type: Constants.AssetType.FILE }] },
+      ];
+
+      const inputGroups = JSON.parse(JSON.stringify(testAssetGroups));
+      const result = ProjectUtil.relativeToAbsolutePathForAssetGroups(projectPath, inputGroups);
+      
+      // Assert the realistic outcome
+      expect(result[0].assets).toEqual([{ uri: expectedFile1, type: Constants.AssetType.FILE }, { uri: expectedFile2, type: Constants.AssetType.FILE }]);
+      expect(result[1].assets).toEqual([{ uri: expectedFile3, type: Constants.AssetType.FILE }]);
+    });
+  });
 });