Link Existing Test Case to Requirement

1. Launch a Requirement issue
2. Click the "Link Test Case" button from the Test Cases section
3. Select Test Cases from the "Select Test Case" dialog box
   Note: 
   1) If you have a large amount of Test Cases that need to be added to a Requirement, we suggest you use the "Advanced Search" function to select them in multiple.
   2) If you want to migrate existing test execution results from test case to the requirement, select "Link with execution history", otherwise select "Link without execution history".   
4. The linked Test Cases will be listed in the Test Cases section

[Screenshot- UG0011_Requirement_issue_Link_Test_Case]