Man, nat stuff is needed only for windows.

Author: aensidhe

.azure/tests.yml

@@ -2,11 +2,6 @@ parameters:
   netcore1Global: true
 
 steps:
-- task: PowerShell@2
-  inputs:
-    targetType: inline
-    script: Get-NetNat | Remove-NetNat
-
 - task: Bash@3
   inputs:
     targetType: inline

azure-pipelines.yml

@@ -26,6 +26,11 @@ jobs:
     name: Hosted VS2017
   steps:
     - template: .azure/build.yml
+
+    - task: PowerShell@2
+      inputs:
+        targetType: inline
+        script: Get-NetNat | Remove-NetNat
     - template: .azure/tests.yml
 
     - ${{ if ne(variables['Build.Reason'], 'PullRequest') }}: