Fix mistake in test. Drop_while returns all elements when block is false
Fix mistake in test. Drop_while returns all elements when block is false

babelsberg/babelsberg-r,babelsberg/babelsberg-r,kachick/topaz,topazproject/topaz,kachick/topaz,babelsberg/babelsberg-r,topazproject/topaz,topazproject/topaz,kachick/topaz,topazproject/topaz,babelsberg/babelsberg-r,babelsberg/babelsberg-r