Playmode tests result counter fails to update after test execution from test runner window, refer attached video

Steps to Reproduce:
1. Create a New Project
2. Window > General > Test Runner
3. PlayMode > Create Playmode Test Assembly Folder
4. Create Test script in current folder
5. Select any Test in PlayMode> click on Run Selected

Actual Result:
Test results counter fails to update even though tests are run successfully

Expected Result:
Test results counter should update successfully

Note: In Playmode, if the "Run All" option is used first and then if a particular test is selected and run then counter updates correctly.

Reproducible in:
2020.1.0a18, 2019.3.0f4, 2019.2.17f1, 2019.1.0b9

Working Fine in:
2019.1.0b8

Environment:
Occurs on Windows and macOS