Run Ubuntu integration tests on 18.04 (#142)

Author: pascalberger

README.md

@@ -26,7 +26,7 @@ and for general information about the Cake build automation system see the [Cake
 |Integration Tests macOS 10.14 (Mono)|[![Build Status](https://dev.azure.com/cake-contrib/Cake.Issues.Reporting.Sarif/_apis/build/status/cake-contrib.Cake.Issues.Reporting.Sarif?branchName=develop&jobName=Integration%20Tests%20macOS%2010.14%20(Mono))](https://dev.azure.com/cake-contrib/Cake.Issues.Reporting.Sarif/_build/latest?definitionId=32&branchName=develop)|[![Build Status](https://dev.azure.com/cake-contrib/Cake.Issues.Reporting.Sarif/_apis/build/status/cake-contrib.Cake.Issues.Reporting.Sarif?branchName=master&jobName=Integration%20Tests%20macOS%2010.14%20(Mono))](https://dev.azure.com/cake-contrib/Cake.Issues.Reporting.Sarif/_build/latest?definitionId=32&branchName=master)|
 |Integration Tests macOS 10.15 (.NET Core tool)|[![Build Status](https://dev.azure.com/cake-contrib/Cake.Issues.Reporting.Sarif/_apis/build/status/cake-contrib.Cake.Issues.Reporting.Sarif?branchName=develop&jobName=Integration%20Tests%20macOS%2010.15%20(.NET%20Core%20tool))](https://dev.azure.com/cake-contrib/Cake.Issues.Reporting.Sarif/_build/latest?definitionId=32&branchName=develop)|[![Build Status](https://dev.azure.com/cake-contrib/Cake.Issues.Reporting.Sarif/_apis/build/status/cake-contrib.Cake.Issues.Reporting.Sarif?branchName=master&jobName=Integration%20Tests%20macOS%2010.15%20(.NET%20Core%20tool))](https://dev.azure.com/cake-contrib/Cake.Issues.Reporting.Sarif/_build/latest?definitionId=32&branchName=master)|
 |Integration Tests Ubuntu 16.04 (Mono)|[![Build Status](https://dev.azure.com/cake-contrib/Cake.Issues.Reporting.Sarif/_apis/build/status/cake-contrib.Cake.Issues.Reporting.Sarif?branchName=develop&jobName=Integration%20Tests%20Ubuntu%2016.04%20(Mono))](https://dev.azure.com/cake-contrib/Cake.Issues.Reporting.Sarif/_build/latest?definitionId=32&branchName=develop)|[![Build Status](https://dev.azure.com/cake-contrib/Cake.Issues.Reporting.Sarif/_apis/build/status/cake-contrib.Cake.Issues.Reporting.Sarif?branchName=master&jobName=Integration%20Tests%20Ubuntu%2016.04%20(Mono))](https://dev.azure.com/cake-contrib/Cake.Issues.Reporting.Sarif/_build/latest?definitionId=32&branchName=master)|
-|Integration Ubuntu 16.04 (.NET Core tool)|[![Build Status](https://dev.azure.com/cake-contrib/Cake.Issues.Reporting.Sarif/_apis/build/status/cake-contrib.Cake.Issues.Reporting.Sarif?branchName=develop&jobName=Integration%20Tests%20Ubuntu%2016.04%20(.NET%20Core%20tool))](https://dev.azure.com/cake-contrib/Cake.Issues.Reporting.Sarif/_build/latest?definitionId=32&branchName=develop)|[![Build Status](https://dev.azure.com/cake-contrib/Cake.Issues.Reporting.Sarif/_apis/build/status/cake-contrib.Cake.Issues.Reporting.Sarif?branchName=master&jobName=Integration%20Tests%20Ubuntu%2016.04%20(.NET%20Core%20tool))](https://dev.azure.com/cake-contrib/Cake.Issues.Reporting.Sarif/_build/latest?definitionId=32&branchName=master)|
+|Integration Ubuntu 18.04 (.NET Core tool)|[![Build Status](https://dev.azure.com/cake-contrib/Cake.Issues.Reporting.Sarif/_apis/build/status/cake-contrib.Cake.Issues.Reporting.Sarif?branchName=develop&jobName=Integration%20Tests%20Ubuntu%2018.04%20(.NET%20Core%20tool))](https://dev.azure.com/cake-contrib/Cake.Issues.Reporting.Sarif/_build/latest?definitionId=32&branchName=develop)|[![Build Status](https://dev.azure.com/cake-contrib/Cake.Issues.Reporting.Sarif/_apis/build/status/cake-contrib.Cake.Issues.Reporting.Sarif?branchName=master&jobName=Integration%20Tests%20Ubuntu%2018.04%20(.NET%20Core%20tool))](https://dev.azure.com/cake-contrib/Cake.Issues.Reporting.Sarif/_build/latest?definitionId=32&branchName=master)|
 
 ## Code Coverage
 

azure-pipelines.yml

@@ -87,10 +87,10 @@ jobs:
       displayName: 'Publish generated reports as build artifact'
   # Integration Tests Ubuntu 18.04 (.NET Core tool)
   - job: Test_ubuntu_DotNetCoreTool
-    displayName: Integration Tests Ubuntu 16.04 (.NET Core tool)
+    displayName: Integration Tests Ubuntu 18.04 (.NET Core tool)
     dependsOn: Build
     pool:
-      vmImage: 'ubuntu-16.04'
+      vmImage: 'ubuntu-18.04'
     steps:
     - task: NodeTool@0
       inputs:
@@ -111,7 +111,7 @@ jobs:
       workingDirectory: ./tests/
       displayName: 'Run integration tests'
     - publish: $(Build.SourcesDirectory)/tests/output
-      artifact: Integration Tests Ubuntu 16.04 (.NET Core tool)
+      artifact: Integration Tests Ubuntu 18.04 (.NET Core tool)
       displayName: 'Publish generated reports as build artifact'
   # SARIF file deployment
   # - job: Deploy_Sarif_Files