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Of course, even within vanilla Groovy we have a few options. E.g., we could use no test class, just a script, in which case, the naming conventions required by JUnit 3.x (used above) wouldn't apply. Or, we could have used JUnit 4 and annotations to allow us to use alternate naming conventions for the methods. Alternatively, we could use a single test class with different test fixtures, e.g. fullStack and emptyStack. The other frameworks mentioned below allow additional possibilities for organising and naming our tests.
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