Ensure all CI tests (except for debugger) are no longer allowed to fail

[DonJayamanne]

Fixes #1614

This pull request:

• Has a title summarizes what is changing
• Includes a news entry file (remember to thank yourself!)

[d3r3kk]

Yassssss

👍

[brettcannon]

Now you just need to get the tests passing again. 😉

[DonJayamanne]

Looks like some of the tests are failing once again due to some upstream VS Code issue. Related to configuration settings in Multi-root workspaces.

[codecov]

Codecov Report

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The diff coverage is n/a.

@@            Coverage Diff            @@
##             master    #1942   +/-   ##
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  Coverage          ?   74.95%           
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  Files             ?      285           
  Lines             ?    13406           
  Branches          ?     2396           
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  Hits              ?    10048           
  Misses            ?     3226           
  Partials          ?      132

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[DonJayamanne]

Lol, tests are passing now. I'll be merging this Branch (once VSTS passes), if things start falling over we can address them separately.