feat(nunit): include class names in packages (#577)

Author: delatrie

Allure.NUnit/Core/AllureNUnitHelper.cs

@@ -102,9 +102,7 @@ internal static TestResult CreateTestResult(ITest test)
                     Label.Host(),
                     Label.Language(),
                     Label.Framework("NUnit 3"),
-                    Label.Package(
-                        GetNamespace(test.ClassName)
-                    ),
+                    Label.Package(test.ClassName),
                     Label.TestMethod(test.MethodName),
                     Label.TestClass(
                         GetClassName(test.ClassName)