[Test] Create Unit tests for Data/services Folder
Create Unit Tests for All the components in the data->services folder.
Acceptance Criteria
- 
 100% line and branch coverage for archivalservice
- 
 100% line and branch coverage for assignmentservice (currently partially tested)
- 
 100% line and branch coverage for evaluationservice
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 100% line and branch coverage for gradeservice
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 100% line and branch coverage for groupingservice (currently partially tested)
- 
 100% line and branch coverage for projectservice
- 
 100% line and branch coverage for recoveryservice
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 100% line and branch coverage for runnerservice
- 
 100% line and branch coverage for teamservice
- 
 100% line and branch coverage for team-setservice (currently partially tested)
- 
 100% line and branch coverage for termservice
- 
 100% line and branch coverage for term-of-serviceservice
- 
 100% line and branch coverage for userservice
