FWIW, I did not know about this line:
"Test files that declare a package with the suffix "_test" will be compiled
as a separate package, and then linked and run with the main test binary."
In order to write integration/e2e tests while avoiding import cycles, most
(not all) of our tests live in
Stevo, that's how I do it. Most of my tests are in an _test package so I
can be sure my exported API works. Once in a while I want some extra tests
on something not exported so those tests go in a separate source file. And
yes, I try to do something with the filename to indicate that it conta
