GitLab Code Coverage Badge Not Showing

I have CI setup for a GitLab repository and the job contains the following output to the STDOUT.

=============================== Coverage summary ===============================
Statements   : 94.25% ( 291/333 )
Branches     : 62.29% ( 53/75 )
Functions    : 73.32% ( 170/196 )
Lines        : 94.68% ( 533/569 )
================================================================================

In the .gitlab-ci.yml file for the job I have the coverage: /^Statements\s*:\s*([^%]+)/. As well, in the CI/CD settings for the repository I have ^Statements\s*:\s*([^%]+) set.

Yet code coverage appears to be Unknown on the code coverage badge.

Solution

Turns out that the build needs to be passing. So a Mocha exception for example of a failing test will prevent code coverage from being extracted.

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