[pkg-go] Bug#973991: gitaly FTBFS: test failures

[Adrian Bunk]

Source: gitaly
Version: 13.3.9+dfsg-1
Severity: serious
Tags: ftbfs

https://buildd.debian.org/status/package.php?p=gitaly&suite=sid

...
FAIL
FAIL	gitlab.com/gitlab-org/gitaly/client	0.169s
?   	gitlab.com/gitlab-org/gitaly/cmd/gitaly	[no test files]
?   	gitlab.com/gitlab-org/gitaly/cmd/gitaly-blackbox	[no test files]
?   	gitlab.com/gitlab-org/gitaly/cmd/gitaly-debug	[no test files]
{"level":"fatal","msg":"error configuring tests: storage {Name:default Path:/<<PKGBUILDDIR>>/obj-aarch64-linux-gnu/src/gitlab.com/gitlab-org/gitaly/internal/testhelper/testdata/data} path must exist: stat /<<PKGBUILDDIR>>/obj-aarch64-linux-gnu/src/gitlab.com/gitlab-org/gitaly/internal/testhelper/testdata/data: no such file or directory","time":"2020-11-07T10:43:42.498Z"}
FAIL	gitlab.com/gitlab-org/gitaly/cmd/gitaly-hooks	0.023s
{"level":"fatal","msg":"error configuring tests: storage {Name:default Path:/<<PKGBUILDDIR>>/obj-aarch64-linux-gnu/src/gitlab.com/gitlab-org/gitaly/internal/testhelper/testdata/data} path must exist: stat /<<PKGBUILDDIR>>/obj-aarch64-linux-gnu/src/gitlab.com/gitlab-org/gitaly/internal/testhelper/testdata/data: no such file or directory","time":"2020-11-07T10:43:44.125Z"}
FAIL	gitlab.com/gitlab-org/gitaly/cmd/gitaly-ssh	0.565s
...
make[1]: *** [debian/rules:39: override_dh_auto_test] Error 1