Test Run Report - Results are not being displayed by order

On Test Run Report, the results are being displayed randomly. 
These should present the results ordered from the most recent to the oldest.

Note: Within projects with a lots of test runs, the bug tends to be more noticeable.

Steps to reproduce:

1. Create 1 Test Issue.
2. Create 1 Test Execution associated with this Test.
3. Create a Test Run within the provided Test and Test Execution Issues.
4. Repeat the steps 1 ,2 and 3  over 1000 Times.
5. With >1000 Test Runs created, go to the Test Run Report.
6. Assert the Test Runs are not displayed from the newest to the oldest.