Consider branch remote when guessing MR

[fmuellner]

When trying to guess the merge request that corresponds to a local branch, we search for MRs that match the (upstream) branch name.

But as branch names only have to be unique within a project, it is possible that there are multiple merge requests from different forks that use the same source branch name.

Luckily we do know which is the correct source project: It's the one that corresponds to the remote that the local branch was pushed to.

[bmeneg]

This PR changes the expected behavior by the Test_mrBrowseCurrent test code: the mrtest branch tracks the lab-testing remote, while the test expects an MR (!1) which has as its source project the upstream own mrtest branch.

To fix it I pushed to your branch the necessary changes in cmd/mr_browse_test.go. Hopefully, it'll be enough.

[codecov[bot]]

Codecov Report

Merging #838 (7d8a8c7) into master (42a1af3) will increase coverage by 0.04%. The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master     #838      +/-   ##
==========================================
+ Coverage   55.94%   55.99%   +0.04%     
==========================================
  Files          77       77              
  Lines        5750     5751       +1     
==========================================
+ Hits         3217     3220       +3     
+ Misses       2243     2242       -1     
+ Partials      290      289       -1     

Impacted Files	Coverage Δ
internal/gitlab/gitlab.go	8.35% <ø> (-0.44%)	:arrow_down:
cmd/util.go	74.72% <100.00%> (+0.56%)	:arrow_up:

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[bmeneg]

I'll also create a "hotfix" with your change and release it as 0.25.1. Many thanks, @fmuellner!