Disable pytest capturing stdout and stderr

Revert this commit before merging.

.azure-pipelines/matrix.yml

@@ -66,7 +66,7 @@ jobs:
               source "${HOME}/conda/etc/profile.d/conda.sh"
               conda activate simpeg-test
               export KMP_WARNINGS=0
-              pytest ${{ test }} -v --cov-config=.coveragerc --cov=simpeg --cov-report=xml --cov-report=html -W ignore::DeprecationWarning
+              pytest ${{ test }} -s -v --cov-config=.coveragerc --cov=simpeg --cov-report=xml --cov-report=html -W ignore::DeprecationWarning
             displayName: 'Testing ${{ test }}'
 
           - task: PublishPipelineArtifact@1