Lines falsely shown as removed in diff editor

[chrmarti]

Issue Type: Bug

The const options and onDidChangeSelection lines are not actually removed:

The PR: microsoft/vscode-extension-samples#89

Extension version: 0.0.22
VS Code version: Code - Insiders 1.27.0-insider (7b9afc4196bda60b0facdf62cfc02815509b23d6, 2018-09-03T09:07:33.052Z)
OS version: Darwin x64 17.7.0

System Info

Item	Value
CPUs	Intel(R) Core(TM) i7-4770HQ CPU @ 2.20GHz (8 x 2200)
GPU Status	2d_canvas: enabled checker_imaging: disabled_off flash_3d: enabled flash_stage3d: enabled flash_stage3d_baseline: enabled gpu_compositing: enabled multiple_raster_threads: enabled_on native_gpu_memory_buffers: enabled rasterization: enabled video_decode: enabled video_encode: enabled webgl: enabled webgl2: enabled
Load (avg)	3, 3, 3
Memory (System)	16.00GB (0.53GB free)
Process Argv	/Applications/Visual Studio Code - Insiders.app/Contents/MacOS/Electron
Screen Reader	no
VM	0%

[roblourens]

Seeing a similar issue here, maybe the same thing: https://github.com/Microsoft/vscode/pull/57957/files

In extHostSearch.test.ts, the catch line is not actually removed.