fix ci flow for windows

Author: ben-c-at-moz

.github/workflows/smoke.yml

@@ -112,7 +112,7 @@ jobs:
           $env:FX_EXECUTABLE = "C:\Program Files\Custom Firefox\firefox.exe"
           Start-Process -FilePath $env:FX_EXECUTABLE -ArgumentList "--version" -Wait -NoNewWindow
           pipenv run python choose_ci_set.py
-          pipenv run pytest -n 4 $(cat selected_tests)
+          Start-Process pipenv run pytest -ArgumentList (Get-Content .\selected_tests) -wait -NoNewWindow
           $env:TEST_EXIT_CODE = $LASTEXITCODE
           mv artifacts artifacts-win || true
           exit $env:TEST_EXIT_CODE
@@ -125,7 +125,7 @@ jobs:
           mv ./ci_pyproject_headed.toml ./pyproject.toml;
           $env:FX_EXECUTABLE = "C:\Program Files\Custom Firefox\firefox.exe"
           pipenv run python choose_ci_set.py
-          pipenv run pytest $(cat selected_tests)
+          Start-Process pipenv run pytest -ArgumentList (Get-Content .\selected_tests) -wait -NoNewWindow
           $env:TEST_EXIT_CODE = $LASTEXITCODE
           rm artifacts/assets -r -Force
           Get-ChildItem -Path "artifacts" | ForEach-Object {

ci_pyproject.toml

@@ -17,7 +17,7 @@ markers = [
 testpaths = [
     "tests"
 ]
-addopts = "-vs --ci --run-headless --json-report --json-report-file artifacts/report.json --reruns 3 --reruns-delay 3 -m 'not incident and not unstable and not headed' --html=artifacts/report.html"
+addopts = "-vs -n 4 --ci --run-headless --json-report --json-report-file artifacts/report.json --reruns 3 --reruns-delay 3 -m 'not incident and not unstable and not headed' --html=artifacts/report.html"
 
 [tool.ruff]
 target-version = "py310"

ci_xvfb_pyproject.toml

@@ -17,7 +17,7 @@ markers = [
 testpaths = [
     "tests"
 ]
-addopts = "-vs --ci --run-headless --json-report --json-report-file artifacts/report.json --reruns 3 --reruns-delay 3 -m 'not unstable and not headed and not noxvfb' --html=artifacts/report.html"
+addopts = "-vs -n 4 --ci --run-headless --json-report --json-report-file artifacts/report.json --reruns 3 --reruns-delay 3 -m 'not unstable and not headed and not noxvfb' --html=artifacts/report.html"
 
 [tool.ruff]
 target-version = "py310"