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On the Overview tab you will find basic information about test cycles such as the project in which the test cycle was created, the version it is assigned to, the status of the test executions, the creation date, and the due date.
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Restricted Test Cases
If a test case is restricted in Jira, it won’t be fully displayed in the test cycle.
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Also, instead of the test case’s name, you will see a message that says "You don’t have permission to view this test case" as in the screenshot below:
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If you want access to a test case that displays like this, contact your Jira Administrator.