added mac os x for unit tests

Signed-off-by: Bjarke Berg <mail@bergmania.dk>

build/azure-pipelines.yml

@@ -11,6 +11,7 @@ variables:
 
 stages:
 - stage: Linux
+  dependsOn: [] # this removes the implicit dependency on previous stage and causes this to run in parallel
   jobs:
 
   - job: Unit_Tests
@@ -30,6 +31,27 @@ stages:
         command: test
         projects: '**/*.Tests.UnitTests.csproj'
 
+- stage: macOS_X
+  dependsOn: [] # this removes the implicit dependency on previous stage and causes this to run in parallel
+  jobs:
+
+      - job: Unit_Tests
+        displayName: 'Unit Tests'
+        pool:
+            vmImage: 'macOS-latest'
+        steps:
+
+            - task: UseDotNet@2
+              displayName: 'Use .Net Core sdk 3.1.x'
+              inputs:
+                  version: 3.1.x
+
+            - task: DotNetCoreCLI@2
+              displayName: 'dotnet test'
+              inputs:
+                  command: test
+                  projects: '**/*.Tests.UnitTests.csproj'
+
 
 - stage: Windows
   dependsOn: [] # this removes the implicit dependency on previous stage and causes this to run in parallel