You can bulk update the result as follows:

• Open the test execution page.
• Open the Bulk Actions drop-down at top right corner and select Execution Status to update run status in bulk.
• Checkboxes are added to the test cases and the Run Status drop-down with execution statuses on it appears above the grid.
• Select test cases the status of which you want to update.
• Select the Run Status you want to assign to the selected test cases.
• The Bulk Update pop-up opens as soon as you select the Run Status.
  

• Select the level you want to apply the run status to: Test Case, Test Step. You can update results for all these two levels at a time. It depends on the level you are assigning the run status.

Let's see the table below.

 Here is the link to help documentation.