tests

Fixing samples_controller_test #395

Job	Run time
Tests (mysql, rails test test/unit)	23m 17s
Tests (mysql, rails test test/functional)	27m 45s
Tests (mysql, rails test test/integration)	13m 33s
Tests (mysql, rspec spec)	2m 46s
Tests (mysql, rake assets:precompile)	3m 48s
Tests (mysql, rake db:setup)	3m 26s
Tests (mysql, rake db:migrate)	2m 58s
Tests (mysql, rake seek:upgrade)	3m 20s
Tests (postgres, rails test test/unit)	20m 5s
Tests (sqlite3, rails test test/unit)	17m 0s
	1h 57m 58s

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