Fix UI tests in CI

Add workaround for Playwright to use .NET 6 until it's natively supported.

Author: martincostello

.github/workflows/build.yml

@@ -6,6 +6,9 @@ on:
   pull_request:
     branches: [ main ]
 
+env:
+  DOTNET_ROLL_FORWARD: Major # HACK Remove once Playwright supports .NET 6
+
 jobs:
   build:
     name: ${{ matrix.os }}

build.ps1

@@ -25,7 +25,7 @@ if ($OutputPath -eq "") {
 $installDotNetSdk = $false;
 
 if (($null -eq (Get-Command "dotnet" -ErrorAction SilentlyContinue)) -and ($null -eq (Get-Command "dotnet.exe" -ErrorAction SilentlyContinue))) {
-    Write-Host "The .NET Core SDK is not installed."
+    Write-Host "The .NET SDK is not installed."
     $installDotNetSdk = $true
 }
 else {
@@ -37,7 +37,7 @@ else {
     }
 
     if ($installedDotNetVersion -ne $dotnetVersion) {
-        Write-Host "The required version of the .NET Core SDK is not installed. Expected $dotnetVersion."
+        Write-Host "The required version of the .NET SDK is not installed. Expected $dotnetVersion."
         $installDotNetSdk = $true
     }
 }