As shown, you receive a warning message that the test database wasn't created because it already existed.

如上所示，您收到一条警告消息，指明测试数据库未创建，因为它已经存在。

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Finally, Rails rolls those changes back to return the database to the state that existed before the test method ran.

最后，Rails回滚这些变化，将数据库返回到测试方法运行之前的状态。

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The problem existed in many supervision and test for the thickness of protection layer for steel bar in engineering structure body are approached and some suggestion are proposed in this paper.

本文结合对大量工程结构实体钢筋保护层厚度的监督检测，对开展这项工作中存在的一些问题进行探讨，并提出了一些建议。

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The rumor long existed that Sequoia would test is intern applicants in a rather, um, novel way.

FORBES: Don Valentine, Venture Capitalist

"This compensation scheme has existed on the statute books since 1886 with its operation having stood the test of time for the last 125 years, " the ABI said.

BBC: Riot costs could 'decimate' police authorities' funds

In 2008, the city switched to a standardized, test-based admissions system in an attempt to cut down on favoritism that it said existed in the previous system, which allowed different districts to set their own rules.

WSJ: Testing Firm Is Under Fire Due to Errors Scoring School Exams