Enable copy constructors for some tests since they rely on their existence.

tests/Basic/Basic.cs

@@ -18,6 +18,7 @@ namespace CppSharp.Tests
             if (driver.Options.IsCSharpGenerator)
                 driver.Options.GenerateAbstractImpls = true;
             driver.Options.GenerateVirtualTables = true;
+            driver.Options.GenerateCopyConstructors = true;
             driver.Options.MarshalCharAsManagedChar = true;
         }
 

tests/CSharpTemp/CSharpTemp.cs

@@ -62,6 +62,7 @@ namespace CppSharp.Tests
             driver.Options.GenerateInterfacesForMultipleInheritance = true;
             driver.Options.GenerateProperties = true;
             driver.Options.GenerateVirtualTables = true;
+            driver.Options.GenerateCopyConstructors = true;
             driver.TranslationUnitPasses.AddPass(new TestAttributesPass());
         }