Add tests for Subclassing the built-in NativeError Objects

test/language/subclassing/NativeError/EvalError-message.js

test/language/subclassing/NativeError/EvalError-name.js

test/language/subclassing/NativeError/EvalError-super.js

test/language/subclassing/NativeError/RangeError-message.js

test/language/subclassing/NativeError/RangeError-name.js

test/language/subclassing/NativeError/RangeError-super.js

...anguage/subclassing/NativeError/ReferenceError-message.js

test/language/subclassing/NativeError/ReferenceError-name.js

.../language/subclassing/NativeError/ReferenceError-super.js

test/language/subclassing/NativeError/SyntaxError-message.js

test/language/subclassing/NativeError/SyntaxError-name.js

test/language/subclassing/NativeError/SyntaxError-super.js

test/language/subclassing/NativeError/TypeError-message.js

test/language/subclassing/NativeError/TypeError-name.js

test/language/subclassing/NativeError/TypeError-super.js

test/language/subclassing/NativeError/URIError-message.js

test/language/subclassing/NativeError/URIError-name.js

test/language/subclassing/NativeError/URIError-super.js