Use .NET 5 Preview 5.

Author: bgrainger

.ci/integration-tests-steps.yml

@@ -31,6 +31,11 @@ steps:
     connectionString: 'server=localhost;port=3300;user id=mysqltest;password=test;database=mysqltest;ssl mode=none;DefaultCommandTimeout=3600'
     platform: 'netcoreapp2.1'
     description: 'No SSL'
+- task: UseDotNet@2
+  displayName: 'Install .NET Core 3.1'
+  inputs:
+    version: 3.1.x
+    packageType: runtime
 - task: UseDotNet@2
   displayName: 'Install .NET Core'
   inputs:

.github/workflows/publish-package.yml

@@ -22,7 +22,7 @@ jobs:
     - name: Set up .NET Core
       uses: actions/setup-dotnet@v1
       with:
-        dotnet-version: 3.1.301
+        dotnet-version: 5.0.100-preview.5.20279.10
 
     - name: Restore
       run: dotnet restore

appveyor.yml

@@ -11,6 +11,7 @@ install:
   # The following can be used to install a custom version of .NET Core
   - ps: Invoke-WebRequest -Uri "https://raw.githubusercontent.com/dotnet/cli/master/scripts/obtain/dotnet-install.ps1" -OutFile "install-dotnet.ps1"
   - ps: .\install-dotnet.ps1 -Version 3.1.301 -InstallDir "dotnetcli"
+  - ps: .\install-dotnet.ps1 -Version 5.0.100-preview.5.20279.10 -InstallDir "dotnetcli"
 build_script:
 - dotnet --info
 before_test:

azure-pipelines.yml

@@ -1,5 +1,5 @@
 variables:
-  DotNetCoreSdkVersion: '3.1.301'
+  DotNetCoreSdkVersion: '5.0.100-preview.5.20279.10'
   NUGET_PACKAGES: '$(Pipeline.Workspace)/.nuget/packages'
 
 jobs:
@@ -101,7 +101,13 @@ jobs:
   - task: UseDotNet@2
     displayName: 'Install .NET Core 2.1'
     inputs:
-      version: '2.1.805'
+      version: '2.1.x'
+      packageType: runtime
+  - task: UseDotNet@2
+    displayName: 'Install .NET Core 3.1'
+    inputs:
+      version: 3.1.x
+      packageType: runtime
   - task: UseDotNet@2
     displayName: 'Install .NET Core'
     inputs:
@@ -121,7 +127,8 @@ jobs:
   - task: UseDotNet@2
     displayName: 'Install .NET Core 2.1'
     inputs:
-      version: '2.1.805'
+      version: '2.1.x'
+      packageType: runtime
   - task: UseDotNet@2
     displayName: 'Install .NET Core'
     inputs:
@@ -157,7 +164,8 @@ jobs:
   - task: UseDotNet@2
     displayName: 'Install .NET Core 2.1'
     inputs:
-      version: '2.1.805'
+      version: '2.1.x'
+      packageType: runtime
   - task: UseDotNet@2
     displayName: 'Install .NET Core'
     inputs: