[dotnet] Rename assembly prerequisites to AssemblyFixture

To avoid confuses that it is not only about Teardown

Author: nvborisenko

dotnet/test/common/AssemblyTeardown.cs renamed to dotnet/test/common/AssemblyFixture.cs

@@ -1,13 +1,13 @@
-using NUnit.Framework;
+using NUnit.Framework;
 using OpenQA.Selenium.Environment;
 
 namespace OpenQA.Selenium
 {
     [SetUpFixture]
     // Outside a namespace to affect the entire assembly
-    public class AssemblyTeardown
+    public class AssemblyFixture
     {
-        public AssemblyTeardown()
+        public AssemblyFixture()
         {
         }
 
@@ -32,4 +32,4 @@ public void RunAfterAnyTests()
             }
         }
     }
-}
+}

dotnet/test/common/BUILD.bazel

@@ -4,7 +4,7 @@ filegroup(
     name = "assembly-fixtures",
     testonly = True,
     srcs = [
-        "AssemblyTeardown.cs",
+        "AssemblyFixture.cs",
     ],
     visibility = [
         "//dotnet/test:__subpackages__",