TST: Fix make_phyla_plots tests, use Biom 2.0 API
TST: Fix make_phyla_plots tests, use Biom 2.0 API

JWDebelius/American-Gut,JWDebelius/American-Gut,wasade/American-Gut,wasade/American-Gut,biocore/American-Gut,biocore/American-Gut,mortonjt/American-Gut,EmbrietteH/American-Gut,EmbrietteH/American-Gut