Add OSX to azure (sagemath#10)

* Add OSX to azure

* Remove publishTestResult

azure-pipelines.yml

@@ -2,7 +2,8 @@ variables:
   grayskull_deps: pytest pytest-azurepipelines pytest-xdist pytest-cov requests pyyaml
 
 jobs:
-  - job: Linux
+  - job:
+    displayName: Linux
     pool:
       vmImage: 'ubuntu-latest'
     strategy:
@@ -45,12 +46,61 @@ jobs:
               --cov= \
               --cov-append \
               --cov-report html:/tmp/grayskull/converage-html \
-              --cov-report xml:coverage.xml \
+              --cov-report xml:junit/coverage.xml \
+              --test-run-title="Linux-py${PYTHON_VERSION}" \
               --cov-config=$(Build.Repository.LocalPath)/.coveragerc \
               --junit-xml=junit/Linux-py${PYTHON_VERSION}.xml \
               --junit-prefix=Linux-py${PYTHON_VERSION}
 
-      - task: PublishTestResults@2
-        inputs:
-          testResultsFiles: 'junit/*.xml'
-        condition: succeededOrFailed()
+  - job:
+    displayName: OSX
+    pool:
+      vmImage: 'macOS-10.13'
+    strategy:
+      matrix:
+        python38:
+          python.version: '3.8'
+        python37:
+          python.version: '3.7'
+      maxParallel: 8
+
+    steps:
+      - bash: |
+          echo "##vso[task.prependpath]$CONDA/bin"
+        displayName: Add conda to PATH
+
+      - bash: sudo chown -R $USER $CONDA
+        displayName: Take ownership of conda installation (Workaround)
+
+      - bash: conda update conda --yes
+        displayName: Update Conda version
+
+      - bash: |
+          conda config --add channels conda-forge
+          conda create --yes --name grayskull
+        displayName: Create Conda environment (grayskull)
+
+      - bash: |
+          conda config --add channels conda-forge
+          conda info -a
+        displayName: Add Conda-Forge channel
+
+      - bash: |
+          source activate grayskull
+          conda install --yes python=$PYTHON_VERSION $(grayskull_deps)
+          conda list
+        displayName: Installing dependencies
+
+      - bash: |
+          source activate grayskull
+          pytest tests \
+              -n auto \
+              --color=yes \
+              --cov= \
+              --cov-append \
+              --cov-report html:/tmp/grayskull/converage-html \
+              --cov-report xml:junit/coverage.xml \
+              --test-run-title="OSX-py${PYTHON_VERSION}" \
+              --cov-config=$(Build.Repository.LocalPath)/.coveragerc \
+              --junit-xml=junit/OSX-py${PYTHON_VERSION}.xml \
+              --junit-prefix=OSX-py${PYTHON_VERSION}