ci: Split tests into two separate tasks per framework (#877)

Author: Dor-bl

azure-pipelines.yml

@@ -34,9 +34,17 @@ steps:
   displayName: 'Install Appium'
 
 - task: DotNetCoreCLI@2
-  displayName: 'Run unit tests - $(buildConfiguration)'
+  displayName: 'Run .NET48 unit tests - $(buildConfiguration)'
   inputs:
     command: 'test'
-    arguments: '--no-build --configuration $(buildConfiguration) --filter AppiumLocalServerLaunchingTest|DirectConnectTest'
+    arguments: '--no-build --configuration $(buildConfiguration) --filter AppiumLocalServerLaunchingTest|DirectConnectTest --framework net48'
+    publishTestResults: true
+    projects: '**/*.Tests.csproj'
+
+- task: DotNetCoreCLI@2
+  displayName: 'Run .NET 6 unit tests - $(buildConfiguration)'
+  inputs:
+    command: 'test'
+    arguments: '--no-build --configuration $(buildConfiguration) --filter AppiumLocalServerLaunchingTest|DirectConnectTest --framework net6.0'
     publishTestResults: true
     projects: '**/*.Tests.csproj'