Package bar is depended by package foo.
$ diff -c bar/bar_test.go foo/foo_test.go
*** bar/bar_test.go 2025-04-25 10:29:33.256268617 +0300
--- foo/foo_test.go 2025-04-25 10:43:22.138244798 +0300
***************
*** 1,4 ****
! package bar_test
import (
"fmt"
--- 1,4 ----
! package foo_test
import (
"fmt"
$ go test ./... -v
# github.com/bozaro/test-vs-compilation/foo
foo/foo.go:7:11: v.Unreachable undefined (type bar.Bar has no field or method Unreachable)
=== RUN TestSimple
42
--- PASS: TestSimple (0.00s)
PASS
ok github.com/bozaro/test-vs-compilation/bar 0.002s
FAIL github.com/bozaro/test-vs-compilation/foo [build failed]
FAIL