Extension causes high cpu load

[dlevkov]

Orta.vscode-jest-unresponsive.cpuprofile.txt

• Issue Type: Performance
• Extension Name: vscode-jest
• Extension Version: 2.9.2
• OS Version: Darwin x64 14.5.0
• VSCode version: 1.32.3

⚠️ Make sure to attach this file from your home-directory: /Users/denis/Orta.vscode-jest-unresponsive.cpuprofile.txt ⚠️

Find more details here: https://github.com/Microsoft/vscode/wiki/Explain:-extension-causes-high-cpu-load

[jmarceli]

It looks like a similar issue to #455

[connectdotz]

@dlevkov thanks for including the actual profile for the high CPU issue. I finally got a chance to look at the profile today and suspect that it might have something to do with the snapshots... do you happen to have lots of snapshots in your project?