Fix update human grades #240

Job	Run time
Unit_testing	9m 49s
E2E_testing (actions_tasks)	9m 16s
E2E_testing (actions_tasks2)	9m 8s
E2E_testing (actions_tasks3)	9m 21s
E2E_testing (actions_objects)	8m 53s
E2E_testing (actions_objects2)	8m 46s
E2E_testing (actions_users)	8m 56s
E2E_testing (actions_projects_models)	8m 35s
E2E_testing (canvas3d_functionality)	9m 23s
E2E_testing (canvas3d_functionality_2)	9m 3s
E2E_testing (issues_prs)	9m 18s
E2E_testing (issues_prs2)	9m 4s
Coveralls	1s
	1h 49m 33s

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