devops: run Windows CI tests at normal I/O priority

.github/actions/run-test/action.yml

@@ -59,15 +59,20 @@ runs:
       run: |
         if [[ "$(uname)" == "Linux" ]]; then
           xvfb-run --auto-servernum --server-args="-screen 0 1280x960x24" -- ${{ inputs.command }}
+        elif [[ "$RUNNER_OS" == "Windows" ]]; then
+          powershell.exe -NoProfile -ExecutionPolicy Bypass -File .github/actions/run-test/windows-normal-io.ps1 -RunBashCommand
         else
           ${{ inputs.command }}
         fi
       shell: bash
       env:
         PW_TAG: "@${{ inputs.bot-name }}"
+        PW_TEST_COMMAND: ${{ inputs.command }}
     - name: Run tests
       if: inputs.shell != 'bash'
-      run: ${{ inputs.command }}
+      run: |
+        ${{ runner.os == 'Windows' && (inputs.shell == 'pwsh' || inputs.shell == 'powershell') && '. .\.github\actions\run-test\windows-normal-io.ps1' || '' }}
+        ${{ inputs.command }}
       shell: ${{ inputs.shell }}
       env:
         PW_TAG: "@${{ inputs.bot-name }}"

.github/actions/run-test/windows-normal-io.ps1

@@ -0,0 +1,47 @@
+param([switch]$RunBashCommand)
+
+$ErrorActionPreference = 'Stop'
+
+Add-Type -TypeDefinition @'
+using System;
+using System.Runtime.InteropServices;
+
+public static class TestProcessIOPriority {
+    [DllImport("ntdll.dll")]
+    public static extern int NtSetInformationProcess(
+        IntPtr process, int informationClass, ref int information, int size);
+
+    [DllImport("ntdll.dll")]
+    public static extern int NtQueryInformationProcess(
+        IntPtr process, int informationClass, out int information, int size, out int length);
+}
+'@
+
+$priority = 0
+$length = 0
+$status = [TestProcessIOPriority]::NtQueryInformationProcess(
+    [IntPtr](-1), 33, [ref]$priority, 4, [ref]$length)
+if ($status -ne 0) {
+    throw ('Reading I/O priority failed: NTSTATUS 0x{0:X8}' -f $status)
+}
+$inheritedPriority = $priority
+$priority = 2
+$status = [TestProcessIOPriority]::NtSetInformationProcess(
+    [IntPtr](-1), 33, [ref]$priority, 4)
+if ($status -ne 0) {
+    throw ('Setting normal I/O priority failed: NTSTATUS 0x{0:X8}' -f $status)
+}
+$status = [TestProcessIOPriority]::NtQueryInformationProcess(
+    [IntPtr](-1), 33, [ref]$priority, 4, [ref]$length)
+if ($status -ne 0) {
+    throw ('Reading I/O priority failed: NTSTATUS 0x{0:X8}' -f $status)
+}
+if ($priority -ne 2) {
+    throw "Expected normal I/O priority (2), got $priority"
+}
+Write-Host "Test launcher I/O priority: $inheritedPriority -> $priority (Normal)"
+
+if ($RunBashCommand) {
+    & "$env:ProgramFiles\Git\bin\bash.exe" --noprofile --norc -eo pipefail -c $env:PW_TEST_COMMAND
+    exit $LASTEXITCODE
+}

tests/library/browsercontext-reuse.spec.ts

@@ -197,7 +197,7 @@ for (const scenario of ['launch', 'connect'] as const) {
       await expect(page).toHaveTitle('Page Title');
     });
 
-    test('BC-076 should not cache resources', async ({ reusedContext, server }) => {
+    test('BC-076 should not cache resources', { annotation: { type: 'issue', description: 'https://github.com/microsoft/playwright/issues/43704' } }, async ({ reusedContext, server }) => {
       test.info().annotations.push({ type: 'issue', description: 'https://github.com/microsoft/playwright/issues/19926' });
       const requestCountMap = new Map<string, number>();
       server.setRoute('/page.html', (req, res) => {
@@ -235,7 +235,10 @@ for (const scenario of ['launch', 'connect'] as const) {
       {
         const context = await reusedContext();
         const page = await context.newPage();
-        await page.goto(server.PREFIX + '/page.html');
+        await Promise.all([
+          page.waitForResponse(server.PREFIX + '/simple.json'),
+          page.goto(server.PREFIX + '/page.html'),
+        ]);
         await expect(page).toHaveTitle('Count: 0');
         expect(requestCountMap.get('/page.html')).toBe(1);
         expect(requestCountMap.get('/style.css')).toBe(1);
@@ -244,7 +247,10 @@ for (const scenario of ['launch', 'connect'] as const) {
       {
         const context = await reusedContext();
         const page = context.pages()[0];
-        await page.goto(server.PREFIX + '/page.html');
+        await Promise.all([
+          page.waitForResponse(server.PREFIX + '/simple.json'),
+          page.goto(server.PREFIX + '/page.html'),
+        ]);
         await expect(page).toHaveTitle('Count: 1');
         expect(requestCountMap.get('/page.html')).toBe(2);
         expect(requestCountMap.get('/style.css')).toBe(2);