Test Framework package disappears from the list after removing.

Steps to reproduce:
1) Create a new project in 2D Template
2) Window > Package manager
3) Remove Test Framework
4) Close and reopen Package manager > Click on All packages list

Actual result: Test Framework package disappears from the all packages list
Expected result: Test Framework Editor package appears on all package list after removing.

Occurring on: 2019.2.0b1, 2019.2.0a14, 2019.2.0a13

Working Fine: 2019.3.0a2, 2019.2.0a12

Package Found Version: 1.0.12

Notes:
1) Test Framework is a verified package introduced in 2019.2.0b1.
2) Working fine with 3D Template