isObj( deep1.foo, deepmerged.foo, "Check if foo: settings must be extended" );
isObj( deep2.foo, deep2copy.foo, "Check if not deep2: options must not be modified" );
isObj( deep1.foo, deepmerged.foo, "Check if foo: settings must be extended" );
isObj( deep2.foo, deep2copy.foo, "Check if not deep2: options must not be modified" );