Tests

Add `CodeArea` to Wirecloud #161

Job	Run time
django-search-indexes-tests (Elasticsearch)	1m 13s
build	15s
django-search-indexes-tests (Solr)	1m 22s
django-selenium-tests	20m 44s
django-unit-tests (2.0, 3.7)	7m 11s
js-unit-tests	1m 8s
django-unit-tests (2.0, 3.8)	7m 14s
django-unit-tests (2.0, 3.9)	7m 12s
django-unit-tests (2.0, 3.10)	8m 29s
django-unit-tests (2.1, 3.7)	7m 52s
django-unit-tests (2.1, 3.8)	7m 26s
django-unit-tests (2.1, 3.9)	7m 39s
django-unit-tests (2.1, 3.10)	7m 41s
django-unit-tests (2.2, 3.7)	7m 14s
django-unit-tests (2.2, 3.8)	7m 49s
django-unit-tests (2.2, 3.9)	7m 18s
django-unit-tests (2.2, 3.10)	8m 5s
finish	6s
	1h 55m 58s

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