Add missing unit tests for toc endpoint #7074

Job	Run time
check-auto-deploy	1s
setup-e2e-tests	21s
talisman-check	46s
trivy-scan	20s
create-docker-image-job / create-docker-image	3m 7s
frontend-jobs / check-style-frontend	38s
frontend-jobs / analyze-frontend-with-sonar-cube	1m 58s
frontend-jobs / test-frontend	54s
backend-jobs / setup-gradle	27s
frontend-jobs / audit-licenses-frontend	20s
ldml-extension-jobs / test-ldml-extension	20s
e2e-tests (login-logout-test-firefox) / e2e-tests	2m 26s
e2e-tests (login-logout-test-chromium) / e2e-tests	2m 23s
e2e-tests (firefox) / e2e-tests	4m 39s
e2e-tests (chromium) / e2e-tests	3m 30s
e2e-tests (login-logout-test-msedge) / e2e-tests	2m 42s
e2e-tests (msedge) / e2e-tests	4m 42s
backend-jobs / backend-integration-tests	3m 13s
backend-jobs / backend-build	1m 12s
backend-jobs / audit-licenses-backend	32s
backend-jobs / analyze-backend-with-sonar-cube	4m 59s
backend-jobs / backend-unit-tests	1m 41s
backend-jobs / generate-backend-code-documentation	1m 15s
generate-test-reports	27s
push-docker-image-job / push-docker-image	54s
push-reports	19s
deploy-staging-job / deploy-staging	1m 5s
deploy-uat-job / deploy-uat	59s
deploy-production-job / deploy-production	40s
	46m 50s

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