ensure failed exit codes are returned to ci.yml (#609)

Author: amerjusupovic

test.ps1

@@ -3,7 +3,17 @@ $ErrorActionPreference = "Stop"
 $dotnet = & "$PSScriptRoot/build/resolve-dotnet.ps1"
 
 & $dotnet test "$PSScriptRoot\tests\Tests.AzureAppConfiguration\Tests.AzureAppConfiguration.csproj" --logger trx
+
+if ($LASTEXITCODE -ne 0) {
+    exit $LASTEXITCODE
+}
+
 & $dotnet test "$PSScriptRoot\tests\Tests.AzureAppConfiguration.AspNetCore\Tests.AzureAppConfiguration.AspNetCore.csproj" --logger trx
+
+if ($LASTEXITCODE -ne 0) {
+    exit $LASTEXITCODE
+}
+
 & $dotnet test "$PSScriptRoot\tests\Tests.AzureAppConfiguration.Functions.Worker\Tests.AzureAppConfiguration.Functions.Worker.csproj" --logger trx
 
 exit $LASTEXITCODE