spectrum field working again

src/routes/sample.spec.ts

@@ -21,6 +21,7 @@ describe('/sample', () => {
 
   // TODO: sort, added date filter, has measurements/condition filter
   // TODO: check if conditions work in sort/fields/filters
+  // TODO: test for numbers as strings in glass_fiber
   describe('GET /samples', () => {
     it('returns all samples', done => {
       TestHelper.request(server, done, {