MRG: Restore LSL tests (#6147)

* ENH: Restore LSL tests

* This is probably a syntax error

* Update azure-pipelines.yml

* Update azure-pipelines.yml

Author: larsoner

.travis.yml

@@ -67,7 +67,9 @@ before_install:
           pip uninstall --yes mne;
         fi;
         if [ "${TRAVIS_OS_NAME}" == "osx" ]; then
-          pip install --upgrade pyqt5>=5.10;
+          pip install --upgrade pyqt5>=5.10 pylsl;
+        else
+          conda install -c tstenner pylsl;
         fi;
       fi
     # Don't source mne_setup_sh here because changing PATH etc. can't be done in a script

azure-pipelines.yml

@@ -45,6 +45,7 @@ jobs:
       pip install --upgrade numpy scipy vtk
       pip install --upgrade -r requirements.txt
       pip install $env:PIP_DEPENDENCIES
+      pip install pylsl
     condition: eq(variables['TEST_MODE'], 'pip')
     displayName: 'Install dependencies with pip'
   - powershell: |
@@ -56,6 +57,7 @@ jobs:
       powershell ci-helpers/appveyor/install-miniconda.ps1
       $env:PATH = $env:PYTHON + "\envs\test;" + $env:PYTHON + "\envs\test\Scripts;" + $env:PYTHON + ";" + $env:PYTHON + "\Scripts;" + $env:PATH
       pip uninstall -yq mne
+      pip install pylsl
       Write-Host ("##vso[task.setvariable variable=PATH]" + $env:PATH)
     condition: eq(variables['TEST_MODE'], 'conda')
     displayName: 'Install dependencies with conda'