Improve unit test coverage for OpenMRS Mediator

[witash]

Improve unit test coverage for openmrs

-----------------------------|---------|----------|---------|---------|---------------------------------------------------------------------------
File                         | % Stmts | % Branch | % Funcs | % Lines | Uncovered Line #s                                                         
-----------------------------|---------|----------|---------|---------|---------------------------------------------------------------------------
All files                    |   71.78 |    66.25 |    62.5 |   71.78 |
 controllers                 |   67.46 |    66.66 |      75 |   67.46 |
  cht.ts                     |      50 |    33.33 |   66.66 |      50 | 21-22,28-51,58-59,61-63,73-82
  service-request.ts         |     100 |      100 |     100 |     100 |
 controllers/tests           |     100 |      100 |     100 |     100 |
  utils.ts                   |     100 |      100 |     100 |     100 |
 mappers                     |   62.78 |    27.77 |   55.55 |   62.78 |
  cht.ts                     |   62.35 |       25 |      60 |   62.35 | 106-146,148-170
  openmrs.ts                 |   63.54 |    33.33 |      50 |   63.54 | 40-64,70-78,87
 middlewares                 |     100 |      100 |     100 |     100 |
  index.ts                   |     100 |      100 |     100 |     100 |
 middlewares/schemas         |     100 |      100 |     100 |     100 |
  encounter.ts               |     100 |      100 |     100 |     100 |
  endpoint.ts                |     100 |      100 |     100 |     100 |
  organization.ts            |     100 |      100 |     100 |     100 |
  patient.ts                 |     100 |      100 |     100 |     100 |
  service-request.ts         |     100 |      100 |     100 |     100 |
 middlewares/schemas/tests   |     100 |      100 |     100 |     100 |
  cht-request-factories.ts   |     100 |      100 |     100 |     100 |
  fhir-resource-factories.ts |     100 |      100 |     100 |     100 |
 routes                      |     100 |      100 |     100 |     100 |
  cht.ts                     |     100 |      100 |     100 |     100 |
  encounter.ts               |     100 |      100 |     100 |     100 |
  endpoint.ts                |     100 |      100 |     100 |     100 |
  organization.ts            |     100 |      100 |     100 |     100 |
  patient.ts                 |     100 |      100 |     100 |     100 |
  service-request.ts         |     100 |      100 |     100 |     100 |
 utils                       |    62.1 |    64.42 |   61.22 |    62.1 |
  cht.ts                     |   53.08 |    28.57 |   54.54 |   53.08 | 38-40,59-85,88-103,116-119,127-129,132-141,143-152,160-162
  fhir.ts                    |   71.61 |    71.11 |   77.77 |   71.61 | 112-114,140-147,177-179,182-210,212-223,225-236
  openhim.ts                 |     100 |      100 |     100 |     100 |
  openmrs.ts                 |   26.38 |      100 |       0 |   26.38 | 17-22,24-52,54-62,64-72
  openmrs_sync.ts            |   61.65 |    66.66 |   53.84 |   61.65 | 37-38,44-45,95-96,107-108,177-181,187-196,204-235,241-245,254-301,310-326
  request.ts                 |     100 |      100 |     100 |     100 |
  url.ts                     |     100 |      100 |     100 |     100 |
-----------------------------|---------|----------|---------|---------|---------------------------------------------------------------------------

src/controllers/cht.ts

• updatePatientIds
• createPatient where source id is specified
• patient is not found
• encounter w/ observations

src/mappers/cht.ts

• observations (covered by encounter w/ observations)

src/mappers/openmrs.ts

• visitNote
• observations

src/utils/cht.ts

• getPatientUUIDFromSourceId (covered by updatePatientsIds)
• getLocation
• createChtPatient (covered elsewhere, add specific test)
• chtRecordFromObservations
• queryCht
• chtRecordsApi (error branch)

src/utils/fhir.ts

• addId
• error branches (createFhirPatient, createFhirResource)
• getFhirResourceSince

src/utils/openmrs.ts

• getOpenMRSPatientResource
• getOpenMRSResourcesSince
• createOpenMRSResource
• updateOpenMRSResource

src/utils/openmrs_sync.ts

• getResources (error branch)
• compare (invalid date)
• compare (error branch)
• getPatient
• getObservations
• sendEncounterToOpenMRS
• sendObservationToFhir
• sendEncounterToFhir
• syncEncounters

[andrablaj]

Closed via #143