Set UTF-8 output

Author: simonkurtz-MSFT

tests/python/run_tests.ps1

@@ -3,15 +3,23 @@
 # PowerShell script to run pytest with coverage.
 # This script can be run from any working directory.
 
+Set-StrictMode -Version Latest
 $ErrorActionPreference = "Stop"
 
+# Set UTF-8 encoding for console output to properly display Unicode characters
+[Console]::OutputEncoding = [System.Text.Encoding]::UTF8
+
 $ScriptDir = $PSScriptRoot
 $RepoRoot = (Resolve-Path (Join-Path $ScriptDir "..\.."))
 
+# Set Python to use UTF-8 and unbuffered output
+$env:PYTHONIOENCODING = "utf-8"
+$env:PYTHONUNBUFFERED = "1"
+
 Push-Location $RepoRoot
 try {
 	$env:COVERAGE_FILE = (Join-Path $RepoRoot "tests/python/.coverage")
-	pytest -v --cov=shared/python --cov-config=tests/python/.coveragerc --cov-report=html:tests/python/htmlcov tests/python/
+	pytest -v --color=yes --cov=shared/python --cov-config=tests/python/.coveragerc --cov-report=html:tests/python/htmlcov tests/python/
 }
 finally {
 	Pop-Location