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Once Test Planning is set up and assignments are made, the local tree of the Test Execution tool shows the appropriate test cycle and the phases/systems/sub-systems and their testcases. These show up for a particular user only if they have a testcase assigned to them anywhere in the tree.
For a tester in the Test Execution module, they will two local tree views. One view is labeled My Executions and the other is All Executions.
My Executions - Assigned executions assigned to the tester or to Anyone will be the only executions that appear in the My Executions view. This view also has the option for the tester to toggle executions assigned to Anyone from appearing.
All Executions - Assigned executions assigned to any tester in the project will appear in the All Executions view.