[dotnet] [test] Parallelize internal testing (#18110)

Author: nvborisenko

dotnet/private/dotnet_nunit_test_suite.bzl

@@ -88,7 +88,7 @@ _BROWSERS = {
             "ActiveDriverConfig=IE",
         ],
         "data": [],
-        "tags": [],
+        "tags": ["exclusive-if-local"],  # IE cannot run in parallel.
         "target_compatible_with": ["@platforms//os:windows"],
     },
     "safari": {
@@ -97,7 +97,7 @@ _BROWSERS = {
             "ActiveDriverConfig=Safari",
         ],
         "data": [],
-        "tags": [],
+        "tags": ["exclusive-if-local"],  # Safari cannot run in parallel.
         "target_compatible_with": ["@platforms//os:osx"],
     },
     "remote": {

dotnet/test/remote/AssemblyTeardown.cs

@@ -20,6 +20,9 @@
 using NUnit.Framework;
 using OpenQA.Selenium.Testing.NUnit;
 
+[assembly: Parallelizable(ParallelScope.Fixtures)]
+[assembly: SingleSessionBrowser(Browser.Safari, Browser.IE)]
+
 [SetUpFixture]
 #pragma warning disable // Outside a namespace to affect the entire assembly
 public class AssemblyTeardown : AssemblyFixtureBase

dotnet/test/remote/RemoteWebDriverSpecificTests.cs

@@ -52,7 +52,7 @@ public void Teardown()
     [NeedsFreshDriver(IsCreatedAfterTest = true)]
     public void ShouldBeAbleToCreateRemoteWebDriverWithNoSlashAtEndOfUri()
     {
-        EnvironmentManager.Instance.CloseCurrentDriver();
+        CloseDriver();
         DriverOptions options = OperatingSystem.IsWindows() ? new EdgeOptions() : new ChromeOptions();
         RemoteWebDriver noSlashDriver = new RemoteWebDriver(RemoteSeleniumServer.ServerUri, options);
         noSlashDriver.Url = Urls.JavascriptPage;

dotnet/test/support/AssemblyFixture.cs

@@ -17,6 +17,9 @@
 // under the License.
 // </copyright>
 
+[assembly: Parallelizable(ParallelScope.Fixtures)]
+[assembly: SingleSessionBrowser(Browser.Safari, Browser.IE)]
+
 namespace OpenQA.Selenium.Support.Tests;
 
 [SetUpFixture]

dotnet/test/testing.nunit/AssemblyFixtureBase.cs

@@ -42,7 +42,6 @@ public async Task RunBeforeAnyTestAsync()
     [OneTimeTearDown]
     public async Task RunAfterAnyTestsAsync()
     {
-        EnvironmentManager.Instance.CloseCurrentDriver();
         await EnvironmentManager.Instance.WebServer.StopAsync();
         if (StartRemoteServer)
         {

dotnet/test/testing.nunit/DriverConfigs/DefaultSafariDriver.cs

@@ -26,7 +26,7 @@ namespace OpenQA.Selenium.Testing.NUnit.DriverConfigs;
 // constructor.
 public class DefaultSafariDriver : SafariDriver
 {
-    // Required for dynamic setting with `EnvironmentManager.Instance.CreateDriverInstance(options)`
+    // Required for dynamic setting with `DriverFactory.CreateDriver(options)`
     public DefaultSafariDriver(SafariOptions options)
         : base(options)
     {

dotnet/test/testing.nunit/DriverConfigs/DevChannelChromeDriver.cs

@@ -48,7 +48,7 @@ public DevChannelChromeDriver()
     {
     }
 
-    // Required for dynamic setting with `EnvironmentManager.Instance.CreateDriverInstance(options)`
+    // Required for dynamic setting with `DriverFactory.CreateDriver(options)`
     public DevChannelChromeDriver(ChromeOptions options)
         : base(options)
     {

dotnet/test/testing.nunit/DriverConfigs/DevChannelEdgeDriver.cs

@@ -28,7 +28,7 @@ public DevChannelEdgeDriver()
     {
     }
 
-    // Required for dynamic setting with `EnvironmentManager.Instance.CreateDriverInstance(options)`
+    // Required for dynamic setting with `DriverFactory.CreateDriver(options)`
     public DevChannelEdgeDriver(EdgeOptions options)
         : base(options)
     {

dotnet/test/testing.nunit/DriverConfigs/EdgeInternetExplorerModeDriver.cs

@@ -31,7 +31,7 @@ public EdgeInternetExplorerModeDriver()
     {
     }
 
-    // Required for dynamic setting with `EnvironmentManager.Instance.CreateDriverInstance(options)`
+    // Required for dynamic setting with `DriverFactory.CreateDriver(options)`
     public EdgeInternetExplorerModeDriver(InternetExplorerOptions options)
         : base(options)
     {

dotnet/test/testing.nunit/DriverConfigs/NightlyChannelFirefoxDriver.cs

@@ -31,7 +31,7 @@ public NightlyChannelFirefoxDriver()
     {
     }
 
-    // Required for dynamic setting with `EnvironmentManager.Instance.CreateDriverInstance(options)`
+    // Required for dynamic setting with `DriverFactory.CreateDriver(options)`
     public NightlyChannelFirefoxDriver(FirefoxOptions options)
         : base(options)
     {