Fix waitForMessage timeouts on the functional tests

[rchiodo]

For #8255

Seems 3 seconds is not long enough to wait on the azure machines. Up'd to 65 seconds.

[codecov-io]

Codecov Report

Merging #8278 into master will decrease coverage by 0.07%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #8278      +/-   ##
==========================================
- Coverage   59.04%   58.96%   -0.08%     
==========================================
  Files         505      505              
  Lines       23109    23124      +15     
  Branches     3736     3741       +5     
==========================================
- Hits        13645    13636       -9     
- Misses       8583     8600      +17     
- Partials      881      888       +7

Impacted Files	Coverage Δ
src/client/common/utils/platform.ts	76.47% <0%> (-11.77%)	⬇️
src/client/common/platform/pathUtils.ts	66.66% <0%> (-5.56%)	⬇️
src/client/linters/pydocstyle.ts	84.61% <0%> (-5.13%)	⬇️
src/client/datascience/debugLocationTracker.ts	79.24% <0%> (-3.78%)	⬇️
src/client/interpreter/locators/helpers.ts	70.73% <0%> (-2.44%)	⬇️
src/client/common/process/proc.ts	13.28% <0%> (-1.57%)	⬇️
src/client/datascience/constants.ts	99.65% <0%> (-0.35%)	⬇️
src/datascience-ui/react-common/constants.ts	0% <0%> (ø)	⬆️
src/client/datascience/jupyter/jupyterDebugger.ts	10.73% <0%> (+0.67%)	⬆️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update e77018a...9e48759. Read the comment docs.