Added Odkxfileuriutils test

[sonalgaud12]

This PR addresses issue odk-x/tool-suite-X#507
by adding tests for the ODKXFileUriUtils class which comes under utilities

Added Tests

• testODKXRemainingPath_ExactMatch: Tests that when a URI exactly matches the app path
• testPathSegmentCounting: Verifies that each level of the URI hierarchy (base, app, config, assets, csv) adds exactly one path segment.
• testUriRelationships: Confirms that each level of URI is properly built on top of the previous level by checking that each path starts with its parent path.
• testAppNameConsistency: Ensures that the app name is consistently used in the second path segment across all generated URIs.
• testODKXRemainingPath_WithSpaces: Tests the handling of paths that contain spaces
• testODKXRemainingPath_WithSpecialCharacters: Verifies that paths containing special characters like @, :, [, ], !, $, and & are handled correctly by the ODKXRemainingPath() method, confirming proper URI encoding/decoding behavior.

Result

[wbrunette]

most strings such as "config" or other strings should be made a constant at top of file to make easy for later updates