assert_equal(true, Specimen.where(owner_uuid: o.uuid).any?,
"need something to be owned by #{o.uuid} for this test")
new_uuid = o.uuid.sub(/..........$/, rand(2**256).to_s(36)[0..9])
assert_equal(true, Specimen.where(owner_uuid: o.uuid).any?,
"need something to be owned by #{o.uuid} for this test")
new_uuid = o.uuid.sub(/..........$/, rand(2**256).to_s(36)[0..9])