Terminal smoke tests failing

[vscodenpa]

See the 2nd attempt for Linux x64:

https://dev.azure.com/monacotools/Monaco/_build/results?buildId=285756&view=logs&j=0406d1e7-f662-57ee-8715-144c63918fc0&t=6343a13c-b76a-5ae1-96ef-54eddbb16c87&s=325c3323-44a0-5d6f-7a5b-f86454fbd084

1) VSCode Smoke Tests (Web)
       Terminal
         Terminal Profiles
           should set the default profile to a contributed one:
     Error: Timeout: get terminal buffer '-terminal .terminal-wrapper' after 20 seconds.
      at Code.poll (/mnt/vss/_work/1/s/test/automation/out/code.js:204:23)
      at async Code.waitForTerminalBuffer (/mnt/vss/_work/1/s/test/automation/out/code.js:175:9)
      at async Terminal._waitForTerminal (/mnt/vss/_work/1/s/test/automation/out/terminal.js:280:9)
      at async Terminal.runCommand (/mnt/vss/_work/1/s/test/automation/out/terminal.js:79:17)
      at async Terminal.createTerminal (/mnt/vss/_work/1/s/test/automation/out/terminal.js:126:9)
      at async Context.<anonymous> (out/areas/terminal/terminal-profiles.test.js:32:13)

  2) VSCode Smoke Tests (Web)
       Terminal
         Terminal Profiles
           should use the default contributed profile on panel open and for splitting:
     Error: Timeout: get terminal buffer '-terminal .terminal-wrapper' after 20 seconds.
      at Code.poll (/mnt/vss/_work/1/s/test/automation/out/code.js:204:23)
      at async Code.waitForTerminalBuffer (/mnt/vss/_work/1/s/test/automation/out/code.js:175:9)
      at async Terminal._waitForTerminal (/mnt/vss/_work/1/s/test/automation/out/terminal.js:280:9)
      at async Terminal.runCommand (/mnt/vss/_work/1/s/test/automation/out/terminal.js:79:17)
      at async Context.<anonymous> (out/areas/terminal/terminal-profiles.test.js:37:13)

  3) VSCode Smoke Tests (Web)
       Terminal
         Terminal Profiles
           createWithProfile command should create a terminal with a contributed profile:
     Error: Timeout: get terminal buffer '-terminal .terminal-wrapper' after 20 seconds.
      at Code.poll (/mnt/vss/_work/1/s/test/automation/out/code.js:204:23)
      at async Code.waitForTerminalBuffer (/mnt/vss/_work/1/s/test/automation/out/code.js:175:9)
      at async Terminal._waitForTerminal (/mnt/vss/_work/1/s/test/automation/out/terminal.js:280:9)
      at async Terminal.runCommandWithValue (/mnt/vss/_work/1/s/test/automation/out/terminal.js:112:13)
      at async Context.<anonymous> (out/areas/terminal/terminal-profiles.test.js:57:13)