Tests

Add `CodeArea` to Wirecloud #160

Job	Run time
build	20s
django-unit-tests (2.0, 3.7)	6m 56s
django-selenium-tests	20m 11s
django-search-indexes-tests (Elasticsearch)	1m 32s
django-unit-tests (2.0, 3.8)	7m 37s
django-unit-tests (2.0, 3.9)	7m 41s
django-search-indexes-tests (Solr)	1m 14s
js-unit-tests	1m 17s
django-unit-tests (2.0, 3.10)	7m 56s
django-unit-tests (2.1, 3.7)	7m 10s
django-unit-tests (2.1, 3.8)	7m 35s
django-unit-tests (2.1, 3.9)	7m 43s
django-unit-tests (2.1, 3.10)	7m 43s
django-unit-tests (2.2, 3.7)	7m 43s
django-unit-tests (2.2, 3.8)	7m 22s
django-unit-tests (2.2, 3.9)	7m 23s
django-unit-tests (2.2, 3.10)	8m 50s
finish	6s
	1h 56m 19s

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