Rémy CoutableandRobert Speicher 7db27be140 Merge branch 'fix/error-when-job-variables-not-defined-but-specified' into 'master' ...

Fix error when CI job variables key used but not specified

## What does this MR do?

This MR fixes a an error when CI job variables specified, but not defined:

```yaml
image: ruby:2.2

test:
  variables:
  script:
     - rspec
```

## What are the relevant issue numbers?

Closes #18764  
Follow up discussion in: #18775 

## Does this MR meet the acceptance criteria?

- [x] [CHANGELOG](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/CHANGELOG) entry added
- [x] Tests
  - [x] Added for this feature/bug
  - [x] All builds are passing
- [x] Conform by the [style guides](https://gitlab.com/gitlab-org/gitlab-ce/blob/master/CONTRIBUTING.md#style-guides)
- [x] [Squashed related commits together](https://git-scm.com/book/en/Git-Tools-Rewriting-History#Squashing-Commits)

See merge request !4745

2016-06-17 14:22:18 -04:00

..

ansi2html_spec.rb

Replace \n to <br>

2016-05-23 21:59:07 -05:00

charts_spec.rb

Rename all [ci_]commit to [ci_]pipeline in specs and features

2016-06-03 16:22:26 +02:00

gitlab_ci_yaml_processor_spec.rb

Merge branch 'fix/error-when-job-variables-not-defined-but-specified' into 'master'

2016-06-17 14:22:18 -04:00