Create a test plan that enumerates all the endpoints & tests expected to be created for swatch-utilization API testing in the new java testing framework. We have an existing test plan we should make it as a proper test plan document with all the scenarios 

• https://docs.google.com/document/d/1IbnOH0qA1TXfbmrzhmR_dgdkskyOJP1VFsFFTjq5lDY/edit?tab=t.vtrrqkmivo9

AC:

• Refine/Edit/Add to the existing test plan
• Present the plan with the team 
• Test plan should be commit in repo