| Class | Description | 
|---|---|
| CrunchTestSupport | 
 A temporary workaround for Scala tests to use when working with Rule
 annotations until it gets fixed in JUnit 4.11. 
 | 
| DebugLogging | 
 Allows direct manipulation of the Hadoop log4j settings to aid in
 unit testing. 
 | 
| TemporaryPath | 
 Creates a temporary directory for a test case and destroys it afterwards. 
 | 
| TestCounters | 
 A utility class used during unit testing to update and read counters. 
 | 
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