This document summarizes a Hadoop testing workshop agenda. The agenda covers testing fundamentals like unit tests, integration tests, and performance tests. It discusses why testing is important for catching bugs early and allowing for easy development. Specific best practices and examples are provided for writing unit tests for MapReduce jobs using MRUnit. Integration testing techniques using MiniMRCluster and MiniDFSCluster are also covered. The document concludes with suggestions for profiling and benchmarking performance as well as diagnosing issues using Hadoop APIs.