Add basic surface tests for NativeErrors

test/built-ins/NativeErrors/SyntaxError/name.js

test/built-ins/NativeErrors/SyntaxError/proto.js

test/built-ins/NativeErrors/SyntaxError/prototype.js

...ilt-ins/NativeErrors/SyntaxError/prototype/constructor.js

test/built-ins/NativeErrors/SyntaxError/prototype/message.js

test/built-ins/NativeErrors/SyntaxError/prototype/name.js

...ns/NativeErrors/SyntaxError/prototype/not-error-object.js

test/built-ins/NativeErrors/SyntaxError/prototype/proto.js

test/built-ins/NativeErrors/TypeError/constructor.js

test/built-ins/NativeErrors/TypeError/instance-proto.js

test/built-ins/NativeErrors/TypeError/is-error-object.js

test/built-ins/NativeErrors/TypeError/length.js

test/built-ins/NativeErrors/TypeError/name.js

test/built-ins/NativeErrors/TypeError/proto.js

test/built-ins/NativeErrors/TypeError/prototype.js

...built-ins/NativeErrors/TypeError/prototype/constructor.js

test/built-ins/NativeErrors/TypeError/prototype/message.js

test/built-ins/NativeErrors/TypeError/prototype/name.js

...-ins/NativeErrors/TypeError/prototype/not-error-object.js

test/built-ins/NativeErrors/TypeError/prototype/proto.js