chore: Test CI workflow when no test is selected

Author: HofmeisterAn

.github/scripts/Collect-TestProjects.ps1

@@ -26,4 +26,5 @@ If ($runsOnNotFound) {
 }
 
 # Filter projects and output as compressed JSON.
-$testProjects | & (Join-Path $PSScriptRoot 'Filter-TestProjects.ps1') | ConvertTo-Json -Compress
+$filteredTestProjects = $testProjects | & (Join-Path $PSScriptRoot 'Filter-TestProjects.ps1') | ConvertTo-Json -AsArray -Compress
+$filteredTestProjects ?? "[]"

.github/scripts/Filter-TestProjects.ps1

@@ -52,6 +52,8 @@ $XUNIT_MODULES = @(
 function Should-RunTests {
     param ([string]$ModuleName)
 
+    return $false
+
     If ($script:branch -In $PROTECTED_BRANCHES) {
         Write-Host "Running '$ModuleName': protected branch '$script:branch'."
         return $true

.github/workflows/test-report.yml

@@ -35,8 +35,8 @@ jobs:
           name: test-report
           path: '**/*.trx'
           reporter: dotnet-trx
-          fail-on-empty: false
           only-summary: true
           use-actions-summary: false
           list-suites: failed
           list-tests: failed
+          fail-on-empty: false