An observation's taxon_id and taxon_name are an integer and a
string on create and update. The v2 spec declares both as numbers.
Add a request-shape test for the v2 observation POST against a mock server.
Split from #6.
An observation's taxon_id and taxon_name are an integer and a
string on create and update. The v2 spec declares both as numbers.
Add a request-shape test for the v2 observation POST against a mock server.
Split from #6.