test: add failing tests for content-type headers

[digitalsadhu]

Issue

asset-pipe/asset-pipe-sink-gcs#44

Status

READY

Description

Adds coverage for the issue described in asset-pipe/asset-pipe-sink-gcs#44 Once asset-pipe-sink-gcs fixes this issue with content-type, these tests should pass again.

Todos

• [x] Tests

Related PRs

• https://github.com/asset-pipe/asset-pipe-sink-gcs/pull/47
• https://github.com/asset-pipe/asset-pipe-build-server/pull/91

[digitalsadhu]

I have verified locally via npm link that the fixes in asset-pipe-sink-gcs#47 and asset-pipe-build-server#91 do indeed solve the issue