Make sure that you have the correct button by using a distinguishing property, such as the dialog that the OK button is in.

确保通过使用不同的属性，例如OK按钮所属于的对话框，来获得正确的按钮。

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Close the Web Project properties dialog by clicking the OK button. JPA entities can now be created.

通过点击OK按钮，来关闭Web Project属性对话框，现在就可以创建JPA实体了。

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Now, we just wait until the confirm dialog exists and tell the handler which button we want to click. For this test, we'll click OK.

现在，我们只是等待，直到确认对话框，告诉存在处理的按钮，我们要点击。这个测试中，我们将单击确定。

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