Merge pull request #26 from PeerHerholz/extent_tests_multiple_os

test first extension of tests to multiple OS

Author: satra

.github/workflows/pythonpackage.yml

@@ -12,9 +12,10 @@ on:
 jobs:
   build:
 
-    runs-on: ubuntu-latest
+    runs-on: ${{ matrix.os }}
     strategy:
       matrix:
+        os: [macos-latest, ubuntu-18.04, windows-2016]
         python-version: [3.7, 3.8]
 
     steps:
@@ -25,8 +26,8 @@ jobs:
         python-version: ${{ matrix.python-version }}
     - name: Install dependencies
       run: |
-        python -m pip install --upgrade pip
-        pip install .[dev]
+        python -m pip install --upgrade pip setuptools
+        pip install .[test]
     - name: Test with pytest
       run: |
         pytest pydra_ml/tests/test_classifier.py