Add esid

test/built-ins/WeakSet/prototype/has/length.js

test/built-ins/WeakSet/prototype/has/name.js

...t/prototype/has/returns-false-when-value-is-not-object.js

...Set/prototype/has/returns-false-when-value-not-present.js

.../WeakSet/prototype/has/returns-true-when-value-present.js

...ns/WeakSet/prototype/has/this-not-object-throw-boolean.js

...t-ins/WeakSet/prototype/has/this-not-object-throw-null.js

...ins/WeakSet/prototype/has/this-not-object-throw-number.js

...ins/WeakSet/prototype/has/this-not-object-throw-string.js

...ins/WeakSet/prototype/has/this-not-object-throw-symbol.js

.../WeakSet/prototype/has/this-not-object-throw-undefined.js

test/built-ins/WeakSet/prototype/prototype-attributes.js

test/built-ins/WeakSet/symbol-disallowed-as-weakset-key.js

test/built-ins/WeakSet/undefined-newtarget.js

test/built-ins/WeakSet/weakset.js