-module(rna_transcription_tests).

-define(TESTED_MODULE, (sut(rna_transcription))).
-define(TEST_VERSION, 1).
-include("exercism.hrl").


transcribes_cytidine_unchanged_test() ->
  ?assertEqual("C", ?TESTED_MODULE:to_rna("G")).

transcribes_guanosine_unchanged_test() ->
  ?assertEqual("G", ?TESTED_MODULE:to_rna("C")).

transcribes_adenosine_unchanged_test() ->
  ?assertEqual("A", ?TESTED_MODULE:to_rna("T")).

transcribes_thymidine_to_uracil_test() ->
  ?assertEqual("U", ?TESTED_MODULE:to_rna("A")).

transcribes_all_occurences_test() ->
  ?assertEqual(
     "UGCACCAGAAUU",
     ?TESTED_MODULE:to_rna("ACGTGGTCTTAA")
    ).

-module(rna_transcription_tests).

-define(TESTED_MODULE, (sut(rna_transcription))).
-define(TEST_VERSION, 1).
-include("exercism.hrl").


transcribes_cytidine_to_guanosine_test() ->
  ?assertEqual("C", ?TESTED_MODULE:to_rna("G")).

transcribes_guanosine_to_cytidine_test() ->
  ?assertEqual("G", ?TESTED_MODULE:to_rna("C")).

transcribes_adenosine_to_thymidine_test() ->
  ?assertEqual("A", ?TESTED_MODULE:to_rna("T")).

transcribes_thymidine_to_uracil_test() ->
  ?assertEqual("U", ?TESTED_MODULE:to_rna("A")).

transcribes_all_occurences_test() ->
  ?assertEqual(
     "UGCACCAGAAUU",
     ?TESTED_MODULE:to_rna("ACGTGGTCTTAA")
    ).

Change the name of tests
Change the name of tests

These weren't accurate. They should reflect the fact that we are transcribing not just converting from DNA to RNA bases. See the actual expected values.