Build image from Dockerfile error

[suntong]

Just building from the latest imaginary repo, and get:

.
.
.
--- PASS: TestImageType (0.00s)
=== RUN   TestGetImageMimeType
--- PASS: TestGetImageMimeType (0.00s)
FAIL
coverage: 47.1% of statements
FAIL    github.com/h2non/imaginary      1.227s
FAIL
The command '/bin/sh -c go test ./... -test.v -race -test.coverprofile=atomic .' returned a non-zero code: 1