[browser] enable CI testing with Firefox (#100697)

eng/pipelines/common/templates/wasm-library-aot-tests.yml

@@ -1,7 +1,7 @@
 parameters:
  alwaysRun: false
  extraBuildArgs: ''
- extraHelixArgs: ''
+ extraHelixArguments: ''
  isExtraPlatformsBuild: false
  isWasmOnlyBuild: false
  buildAOTOnHelix: true
@@ -26,7 +26,7 @@ jobs:
  isExtraPlatformsBuild: ${{ parameters.isExtraPlatformsBuild }}
  isWasmOnlyBuild: ${{ parameters.isWasmOnlyBuild }}
  extraBuildArgs: /p:EnableAggressiveTrimming=true /p:BuildAOTTestsOnHelix=${{ parameters.buildAOTOnHelix }} /p:RunAOTCompilation=${{ parameters.runAOT }} ${{ parameters.extraBuildArgs }}
- extraHelixArgs: /p:NeedsToBuildWasmAppsOnHelix=true ${{ parameters.extraHelixArgs }}
+ extraHelixArguments: /p:NeedsToBuildWasmAppsOnHelix=true ${{ parameters.extraHelixArguments }}
  alwaysRun: ${{ parameters.alwaysRun }}
  shouldRunSmokeOnly: ${{ parameters.shouldRunSmokeOnly }}
  shouldContinueOnError: ${{ parameters.shouldContinueOnError }}
@@ -35,5 +35,6 @@ jobs:
  - WasmTestOnV8
  - ${{ if eq(platform, 'browser_wasm_win') }}:
  - WasmTestOnChrome
+ - WasmTestOnFirefox
  - ${{ if or(eq(platform, 'wasi_wasm_win'), eq(platform, 'wasi_wasm')) }}:
  - WasmTestOnWasmtime

eng/pipelines/common/templates/wasm-library-tests.yml

@@ -1,7 +1,7 @@
 parameters:
  alwaysRun: false
  extraBuildArgs: ''
- extraHelixArgs: ''
+ extraHelixArguments: ''
  isExtraPlatformsBuild: false
  isWasmOnlyBuild: false
  nameSuffix: ''
@@ -97,5 +97,5 @@ jobs:
  parameters:
  creator: dotnet-bot
  testRunNamePrefixSuffix: Mono_$(_BuildConfig)
- extraHelixArguments: /p:BrowserHost=$(_hostedOs) $(_wasmRunSmokeTestsOnlyArg) ${{ parameters.extraHelixArgs }}
+ extraHelixArguments: /p:BrowserHost=$(_hostedOs) $(_wasmRunSmokeTestsOnlyArg) ${{ parameters.extraHelixArguments }}
  scenarios: ${{ parameters.scenarios }}

eng/pipelines/extra-platforms/runtime-extra-platforms-wasm.yml

@@ -199,6 +199,7 @@ jobs:
  scenarios:
  - WasmTestOnV8
  - WasmTestOnChrome
+ - WasmTestOnFirefox
  - WasmTestOnNodeJS
 
  # Hybrid Globalization AOT tests
@@ -321,4 +322,4 @@ jobs:
  isExtraPlatformsBuild: ${{ parameters.isExtraPlatformsBuild }}
  isWasmOnlyBuild: ${{ parameters.isWasmOnlyBuild }}
  scenarios:
- - WasmTestOnV8
+ - WasmTestOnWasmtime

eng/pipelines/runtime.yml

@@ -843,6 +843,7 @@ extends:
  scenarios:
  - WasmTestOnV8
  - WasmTestOnChrome
+ - WasmTestOnFirefox
 
  - template: /eng/pipelines/common/templates/wasm-library-tests.yml
  parameters:
@@ -861,10 +862,12 @@ extends:
  #- browser_wasm_win
  nameSuffix: _Threading
  extraBuildArgs: /p:WasmEnableThreads=true /p:AotHostArchitecture=x64 /p:AotHostOS=$(_hostedOS)
+ extraHelixArguments: /p:WasmEnableThreads=true
  alwaysRun: ${{ variables.isRollingBuild }}
  shouldRunSmokeOnly: onLibrariesAndIllinkChanges
  scenarios:
  - WasmTestOnChrome
+ - WasmTestOnFirefox
  #- WasmTestOnNodeJS - this is not supported yet, https://github.com/dotnet/runtime/issues/85592
 
  # EAT Library tests - only run on linux

eng/testing/BrowserVersions.props

@@ -8,7 +8,9 @@
  <win_ChromeRevision>1250580</win_ChromeRevision>
  <win_ChromeBaseSnapshotUrl>https://storage.googleapis.com/chromium-browser-snapshots/Win_x64/1250586</win_ChromeBaseSnapshotUrl>
  <win_V8Version>12.3.219</win_V8Version>
- <linux_FirefoxRevision>124.0.2</linux_FirefoxRevision>
+ <linux_FirefoxRevision>125.0.1</linux_FirefoxRevision>
  <linux_GeckoDriverRevision>0.34.0</linux_GeckoDriverRevision>
+ <win_FirefoxRevision>125.0.1</win_FirefoxRevision>
+ <win_GeckoDriverRevision>0.34.0</win_GeckoDriverRevision>
  </PropertyGroup>
 </Project>

eng/testing/WasmRunnerTemplate.cmd

@@ -30,7 +30,11 @@ if [%XHARNESS_COMMAND%] == [] (
  if /I [%SCENARIO%]==[WasmTestOnChrome] (
  set XHARNESS_COMMAND=test-browser
  ) else (
- set XHARNESS_COMMAND=test
+ if /I [%SCENARIO%]==[WasmTestOnFirefox] (
+ set XHARNESS_COMMAND=test-browser
+ ) else (
+ set XHARNESS_COMMAND=test
+ )
  )
 )
 
@@ -56,11 +60,25 @@ if /I [%XHARNESS_COMMAND%] == [test] (
  )
  )
 ) else (
- if [%BROWSER_PATH%] == [] if not [%HELIX_CORRELATION_PAYLOAD%] == [] (
- set "BROWSER_PATH=--browser-path^=%HELIX_CORRELATION_PAYLOAD%\chrome-win\chrome.exe"
- )
- if [%JS_ENGINE_ARGS%] == [] (
- set "JS_ENGINE_ARGS=--browser-arg^=--js-flags^=--stack-trace-limit^=1000"
+ if /I [%SCENARIO%] == [WasmTestOnChrome] (
+ if [%BROWSER_PATH%] == [] if not [%HELIX_CORRELATION_PAYLOAD%] == [] (
+ set "BROWSER_PATH=--browser-path^=%HELIX_CORRELATION_PAYLOAD%\chrome-win\chrome.exe"
+ )
+ if [%JS_ENGINE_ARGS%] == [] (
+ set "JS_ENGINE_ARGS=--browser-arg^=--js-flags^=--stack-trace-limit^=1000"
+ )
+ ) else (
+ if /I [%SCENARIO%] == [WasmTestOnFirefox] (
+ if [%BROWSER_PATH%] == [] if not [%HELIX_CORRELATION_PAYLOAD%] == [] (
+ set "BROWSER_PATH=--browser-path^=%HELIX_CORRELATION_PAYLOAD%\firefox\firefox.exe"
+ )
+ if [%JS_ENGINE%] == [] (
+ set "JS_ENGINE=--browser^=Firefox"
+ )
+ if [%JS_ENGINE_ARGS%] == [] (
+ set "JS_ENGINE_ARGS=--browser-arg^=-private-window"
+ )
+ )
  )
 )
 

eng/testing/WasmRunnerTemplate.sh

@@ -26,7 +26,9 @@ else
 fi
 
 if [[ -z "$XHARNESS_COMMAND" ]]; then
- if [[ "$SCENARIO" == "WasmTestOnChrome" || "$SCENARIO" == "wasmtestonchrome" ]]; then
+ if [[ "$SCENARIO" == "WasmTestOnFirefox" || "$SCENARIO" == "wasmtestonfirefox" ]]; then
+ XHARNESS_COMMAND="test-browser"
+ elif [[ "$SCENARIO" == "WasmTestOnChrome" || "$SCENARIO" == "wasmtestonchrome" ]]; then
  XHARNESS_COMMAND="test-browser"
  else
  XHARNESS_COMMAND="test"
@@ -59,8 +61,17 @@ if [[ "$XHARNESS_COMMAND" == "test" ]]; then
  fi
  fi
 else
- if [[ -z "$JS_ENGINE_ARGS" ]]; then
- JS_ENGINE_ARGS="--browser-arg=--js-flags=--stack-trace-limit=1000"
+ if [[ "$SCENARIO" == "WasmTestOnChrome" || "$SCENARIO" == "wasmtestonchrome" ]]; then
+ if [[ -z "$JS_ENGINE_ARGS" ]]; then
+ JS_ENGINE_ARGS="--browser-arg=--js-flags=--stack-trace-limit=1000"
+ fi
+ elif [[ "$SCENARIO" == "WasmTestOnFirefox" || "$SCENARIO" == "wasmtestonfirefox" ]]; then
+ if [[ -z "$JS_ENGINE" ]]; then
+ JS_ENGINE="--browser=Firefox"
+ fi
+ if [[ -z "$JS_ENGINE_ARGS" ]]; then
+ JS_ENGINE_ARGS="--browser-arg=-private-window"
+ fi
  fi
 fi
 

eng/testing/tests.browser.targets

@@ -250,9 +250,18 @@
  <_NodeNpmModuleStringTrimmed Include="@(_NodeNpmModuleString->Trim(':'))" />
  </ItemGroup>
  <PropertyGroup>
+ <Scenario Condition="'$(Scenario)' == ''">WasmTestOnV8</Scenario>
  <NodeNpmModuleString>@(_NodeNpmModuleStringTrimmed, ',')</NodeNpmModuleString>
  </PropertyGroup>
 
+ <Error Condition="'$(Scenario)' != 'WasmTestOnV8' and 
+ '$(Scenario)' != 'WasmTestOnChrome' and 
+ '$(Scenario)' != 'WasmTestOnFirefox' and 
+ '$(Scenario)' != 'WasmTestOnNodeJS' and 
+ '$(Scenario)' != 'WasmDebuggerTests' and 
+ '$(Scenario)' != 'BuildWasmApps'" 
+ Text="Only supported scenarios are WasmTestOnV8, WasmTestOnNodeJS, WasmTestOnChrome, WasmTestOnFirefox, WasmDebuggerTests and BuildWasmApps at the moment. It was $(Scenario)." />
+
  <!-- Restore NPM packages -->
  <ItemGroup Condition="'$(OS)' != 'Windows_NT'">
  <SetScriptCommands Include="if [[ &quot;$SCENARIO&quot; == &quot;WasmTestOnNodeJS&quot; || &quot;$SCENARIO&quot; == &quot;wasmtestonnodejs&quot; ]]; then export WasmXHarnessMonoArgs=&quot;$WasmXHarnessMonoArgs --setenv=NPM_MODULES=$(NodeNpmModuleString)&quot;; fi" />

eng/testing/tests.wasi.targets

@@ -147,6 +147,13 @@
  </Target>
 
  <Target Name="_WasiAddToRunScript" BeforeTargets="GenerateRunScript">
+ <PropertyGroup>
+ <Scenario Condition="'$(Scenario)' == ''">WasmTestOnWasmtime</Scenario>
+ </PropertyGroup>
+ <Error Condition="'$(Scenario)' != 'WasmTestOnWasmtime' and 
+ '$(Scenario)' != 'BuildWasmApps'"
+ Text="Only supported scenarios are WasmTestOnWasmtime and BuildWasmApps at the moment. It was $(Scenario)." />
+
  <ItemGroup Condition="'$(OS)' != 'Windows_NT'">
  <SetScriptCommands Condition="'$(InstallWasmtimeForTests)' == 'true' and Exists($(WasmtimeDir))" Include="export PREPEND_PATH=$(WasmtimeDir)" />
  <SetScriptCommands Condition="'$(IsWasiProject)' == 'true'" Include="export RuntimeIdentifier=wasi-wasm" />

eng/testing/wasm-provisioning.targets

@@ -21,18 +21,30 @@
 
  <Import Project="$(MSBuildThisFileDirectory)BrowserVersions.props" />
 
- <PropertyGroup Condition="'$(BrowserHost)' != 'windows'">
- <FirefoxUrl>https://ftp.mozilla.org/pub/firefox/releases/$(linux_FirefoxRevision)/linux-x86_64/en-US/firefox-$(linux_FirefoxRevision).tar.bz2</FirefoxUrl>
- <GeckoDriverUrl>https://github.com/mozilla/geckodriver/releases/download/v$(linux_GeckoDriverRevision)/geckodriver-v$(linux_GeckoDriverRevision)-linux64.tar.gz</GeckoDriverUrl>
- <FirefoxBinaryName>firefox</FirefoxBinaryName>
- <GeckoDriverBinaryName>geckodriver</GeckoDriverBinaryName>
+ <PropertyGroup>
  <FirefoxDir>$(ArtifactsBinDir)firefox\</FirefoxDir>
  <FirefoxDirName>firefox</FirefoxDirName>
  <GeckoDriverDirName>geckodriver</GeckoDriverDirName>
  <GeckoDriverDir>$(ArtifactsBinDir)geckodriver\</GeckoDriverDir>
+ </PropertyGroup>
+ <PropertyGroup Condition="$([MSBuild]::IsOSPlatform('linux'))">
+ <FirefoxUrl>https://ftp.mozilla.org/pub/firefox/releases/$(linux_FirefoxRevision)/linux-x86_64/en-US/firefox-$(linux_FirefoxRevision).tar.bz2</FirefoxUrl>
+ <GeckoDriverUrl>https://github.com/mozilla/geckodriver/releases/download/v$(linux_GeckoDriverRevision)/geckodriver-v$(linux_GeckoDriverRevision)-linux64.tar.gz</GeckoDriverUrl>
+ <FirefoxBinaryName>firefox</FirefoxBinaryName>
+ <GeckoDriverBinaryName>geckodriver</GeckoDriverBinaryName>
  <FirefoxStampFile>$([MSBuild]::NormalizePath($(FirefoxDir), '.install-firefox-$(linux_FirefoxRevision).stamp'))</FirefoxStampFile>
  <GeckoDriverStampFile>$([MSBuild]::NormalizePath($(GeckoDriverDir), '.install-geckodriver-$(linux_GeckoDriverRevision).stamp'))</GeckoDriverStampFile>
+ <FirefoxBinaryPath>$([MSBuild]::NormalizePath($(FirefoxDir), $(FirefoxDirName), $(FirefoxBinaryName)))</FirefoxBinaryPath>
+ <GeckoDriverBinaryPath>$([MSBuild]::NormalizePath($(GeckoDriverDir), $(GeckoDriverDirName), $(GeckoDriverBinaryName)))</GeckoDriverBinaryPath>
+ </PropertyGroup>
 
+ <PropertyGroup Condition="$([MSBuild]::IsOSPlatform('windows'))">
+ <FirefoxUrl>https://ftp.mozilla.org/pub/firefox/releases/$(win_FirefoxRevision)/win64/en-US/Firefox%20Setup%20$(win_FirefoxRevision).exe</FirefoxUrl>
+ <GeckoDriverUrl>https://github.com/mozilla/geckodriver/releases/download/v$(win_GeckoDriverRevision)/geckodriver-v$(win_GeckoDriverRevision)-win64.zip</GeckoDriverUrl>
+ <FirefoxBinaryName>firefox.exe</FirefoxBinaryName>
+ <GeckoDriverBinaryName>geckodriver.exe</GeckoDriverBinaryName>
+ <FirefoxStampFile>$([MSBuild]::NormalizePath($(FirefoxDir), '.install-firefox-$(win_FirefoxRevision).stamp'))</FirefoxStampFile>
+ <GeckoDriverStampFile>$([MSBuild]::NormalizePath($(GeckoDriverDir), '.install-geckodriver-$(win_GeckoDriverRevision).stamp'))</GeckoDriverStampFile>
  <FirefoxBinaryPath>$([MSBuild]::NormalizePath($(FirefoxDir), $(FirefoxDirName), $(FirefoxBinaryName)))</FirefoxBinaryPath>
  <GeckoDriverBinaryPath>$([MSBuild]::NormalizePath($(GeckoDriverDir), $(GeckoDriverDirName), $(GeckoDriverBinaryName)))</GeckoDriverBinaryPath>
  </PropertyGroup>
@@ -183,7 +195,7 @@ export __SCRIPT_DIR=%24( cd -- "%24( dirname -- "%24{BASH_SOURCE[0]}" )" &amp;>
 
  <Target Name="DownloadAndInstallFirefox"
  AfterTargets="$(WasmProvisionAfterTarget)"
- Condition="!Exists($(FirefoxStampFile)) and '$(InstallFirefoxForTests)' == 'true' and !$([MSBuild]::IsOSPlatform('windows'))">
+ Condition="!Exists($(FirefoxStampFile)) and '$(InstallFirefoxForTests)' == 'true'">
  <ItemGroup>
  <_StampFile Include="$(_BrowserStampDir).install-firefox*.stamp" />
  </ItemGroup>
@@ -197,24 +209,22 @@ export __SCRIPT_DIR=%24( cd -- "%24( dirname -- "%24{BASH_SOURCE[0]}" )" &amp;>
  <DownloadFile SourceUrl="$(FirefoxUrl)" DestinationFolder="$(FirefoxDir)" SkipUnchangedFiles="true">
  <Output TaskParameter="DownloadedFile" PropertyName="_DownloadedFile" />
  </DownloadFile>
- <Exec Command="tar -xf $(_DownloadedFile) -C $(FirefoxDir)"/>
- <Exec Command="rm -rf $(_DownloadedFile)"/>
-
- <PropertyGroup>
- <_FirefoxBinaryPath>$([MSBuild]::NormalizePath($(FirefoxDir), $(FirefoxBinaryName)))</_FirefoxBinaryPath>
- </PropertyGroup>
+ <MakeDir Directories="$(FirefoxDir)\$(FirefoxDirName)"/>
+ <Exec Command="tar -xf $(_DownloadedFile) -C $(FirefoxDir)" Condition="$([MSBuild]::IsOSPlatform('linux'))" />
+ <Exec Command="&quot;$(_DownloadedFile)&quot; /InstallDirectoryPath=$(FirefoxDir)$(FirefoxDirName) /TaskbarShortcut=false /DesktopShortcut=false /StartMenuShortcut=false /PrivateBrowsingShortcut=false /MaintenanceService=false /PreventRebootRequired=true" Condition="$([MSBuild]::IsOSPlatform('windows'))" />
+ <Delete Files="$(_DownloadedFile)" />
 
- <Error Text="Cannot find firefox at $(_FirefoxBinaryPath) in the downloaded copy"
- Condition="!Exists($(_FirefoxBinaryPath))" />
+ <Error Text="Cannot find firefox at $(FirefoxBinaryPath) in the downloaded copy"
+ Condition="!Exists($(FirefoxBinaryPath))" />
 
- <Exec Command="chmod +x $(_FirefoxBinaryPath)"/>
+ <Exec Command="chmod +x $(FirefoxBinaryPath)" Condition="$([MSBuild]::IsOSPlatform('linux'))"/>
 
  <Touch Files="$(FirefoxStampFile)" AlwaysCreate="true" />
  </Target>
 
  <Target Name="DownloadAndInstallGeckoDriver"
  AfterTargets="$(WasmProvisionAfterTarget)"
- Condition="!Exists($(GeckoDriverStampFile)) and '$(InstallFirefoxForTests)' == 'true' and !$([MSBuild]::IsOSPlatform('windows'))">
+ Condition="!Exists($(GeckoDriverStampFile)) and '$(InstallFirefoxForTests)' == 'true'">
  <ItemGroup>
  <_StampFile Include="$(_BrowserStampDir).install-geckodriver*.stamp" />
  </ItemGroup>
@@ -228,18 +238,15 @@ export __SCRIPT_DIR=%24( cd -- "%24( dirname -- "%24{BASH_SOURCE[0]}" )" &amp;>
  <DownloadFile SourceUrl="$(GeckoDriverUrl)" DestinationFolder="$(GeckoDriverDir)" SkipUnchangedFiles="true">
  <Output TaskParameter="DownloadedFile" PropertyName="_DownloadedFile" />
  </DownloadFile>
- <Exec Command="mkdir -p $(GeckoDriverDir)/$(GeckoDriverDirName)"/>
- <Exec Command="tar -xf $(_DownloadedFile) -C $(GeckoDriverDir)/$(GeckoDriverDirName)"/>
- <Exec Command="rm -rf $(_DownloadedFile)"/>
-
- <PropertyGroup>
- <_GeckoDriverBinaryPath>$([MSBuild]::NormalizePath($(GeckoDriverDir), $(GeckoDriverBinaryName)))</_GeckoDriverBinaryPath>
- </PropertyGroup>
+ <MakeDir Directories="$(GeckoDriverDir)/$(GeckoDriverDirName)"/>
+ <Exec Command="tar -xf $(_DownloadedFile) -C $(GeckoDriverDir)/$(GeckoDriverDirName)" Condition="$([MSBuild]::IsOSPlatform('linux'))" />
+ <Unzip SourceFiles="$(_DownloadedFile)" DestinationFolder="$(GeckoDriverDir)/$(GeckoDriverDirName)" Condition="$([MSBuild]::IsOSPlatform('windows'))" />
+ <Delete Files="$(_DownloadedFile)" />
 
- <Error Text="Cannot find GeckoDriver at $(_GeckoDriverBinaryPath) in the downloaded copy"
- Condition="!Exists($(_GeckoDriverBinaryPath))" />
+ <Error Text="Cannot find GeckoDriver at $(GeckoDriverBinaryPath) in the downloaded copy"
+ Condition="!Exists($(GeckoDriverBinaryPath))" />
 
- <Exec Command="chmod +x $(_GeckoDriverBinaryPath)"/>
+ <Exec Command="chmod +x $(GeckoDriverBinaryPath)" Condition="$([MSBuild]::IsOSPlatform('linux'))" />
 
  <Touch Files="$(GeckoDriverStampFile)" AlwaysCreate="true" />
  </Target>

src/libraries/Common/tests/System/Net/Configuration.Http.cs

@@ -58,12 +58,19 @@ public static partial class Http
  public static readonly Uri RemoteEchoServer = new Uri("http://" + Host + "/" + EchoHandler);
  public static readonly Uri SecureRemoteEchoServer = new Uri("https://" + SecureHost + "/" + EchoHandler);
  public static readonly Uri Http2RemoteEchoServer = new Uri("https://" + Http2Host + "/" + EchoHandler);
- public static readonly Uri[] EchoServerList = new Uri[] { RemoteEchoServer, SecureRemoteEchoServer, Http2RemoteEchoServer };
+ public static Uri[] GetEchoServerList()
+ {
+ if (PlatformDetection.IsFirefox)
+ {
+ // https://github.com/dotnet/runtime/issues/101115
+ return [RemoteEchoServer];
+ }
+ return [RemoteEchoServer, SecureRemoteEchoServer, Http2RemoteEchoServer];
+ }
 
  public static readonly Uri RemoteVerifyUploadServer = new Uri("http://" + Host + "/" + VerifyUploadHandler);
  public static readonly Uri SecureRemoteVerifyUploadServer = new Uri("https://" + SecureHost + "/" + VerifyUploadHandler);
  public static readonly Uri Http2RemoteVerifyUploadServer = new Uri("https://" + Http2Host + "/" + VerifyUploadHandler);
- public static readonly Uri[] VerifyUploadServerList = new Uri[] { RemoteVerifyUploadServer, SecureRemoteVerifyUploadServer, Http2RemoteVerifyUploadServer };
 
  public static readonly Uri RemoteEmptyContentServer = new Uri("http://" + Host + "/" + EmptyContentHandler);
  public static readonly Uri RemoteDeflateServer = new Uri("http://" + Host + "/" + DeflateHandler);
@@ -72,7 +79,7 @@ public static partial class Http
  public static readonly Uri Http2RemoteGZipServer = new Uri("https://" + Http2Host + "/" + GZipHandler);
  public static Uri RemoteLoopServer => new Uri("ws://" + RemoteLoopHost + "/" + RemoteLoopHandler);
 
- public static readonly object[][] EchoServers = EchoServerList.Select(x => new object[] { x }).ToArray();
+ public static readonly object[][] EchoServers = GetEchoServerList().Select(x => new object[] { x }).ToArray();
  public static readonly object[][] VerifyUploadServers = { new object[] { RemoteVerifyUploadServer }, new object[] { SecureRemoteVerifyUploadServer }, new object[] { Http2RemoteVerifyUploadServer } };
  public static readonly object[][] CompressedServers = { new object[] { RemoteDeflateServer }, new object[] { RemoteGZipServer }, new object[] { Http2RemoteDeflateServer }, new object[] { Http2RemoteGZipServer } };
 
@@ -83,9 +90,17 @@ public static partial class Http
  public static readonly RemoteServer RemoteSecureHttp11Server = new RemoteServer(new Uri("https://" + SecureHost + "/"), HttpVersion.Version11);
  public static readonly RemoteServer RemoteHttp2Server = new RemoteServer(new Uri("https://" + Http2Host + "/"), new Version(2, 0));
 
- public static readonly IEnumerable<RemoteServer> RemoteServers = new RemoteServer[] { RemoteHttp11Server, RemoteSecureHttp11Server, RemoteHttp2Server };
+ public static IEnumerable<RemoteServer> GetRemoteServers()
+ {
+ if (PlatformDetection.IsFirefox)
+ {
+ // https://github.com/dotnet/runtime/issues/101115
+ return new RemoteServer[] { RemoteHttp11Server };
+ }
+ return new RemoteServer[] { RemoteHttp11Server, RemoteSecureHttp11Server, RemoteHttp2Server };
+ }
 
- public static readonly IEnumerable<object[]> RemoteServersMemberData = RemoteServers.Select(s => new object[] { s });
+ public static readonly IEnumerable<object[]> RemoteServersMemberData = GetRemoteServers().Select(s => new object[] { s });
 
  public sealed class RemoteServer
  {