Clean up test and update public Api interface

Author: MaggieKimani1

test/Microsoft.OpenApi.Tests/Models/OpenApiLicenseTests.cs

@@ -124,8 +124,6 @@ public void ReturnClonedObject()
             var cloneLicense = (OpenApiLicense)license.Clone();
             cloneLicense.Name = "fooBar";
 
-            // Act
-
             // Assert
             Assert.NotEqual(license.Name, cloneLicense.Name);
         }