Add tests for destructuring assignment

...sions/assignment/destructuring/obj-id-simple-no-strict.js

...ressions/assignment/destructuring/obj-id-simple-strict.js

...assignment/destructuring/obj-prop-elem-init-assignment.js

...assignment/destructuring/obj-prop-elem-init-evaluation.js

...essions/assignment/destructuring/obj-prop-elem-init-in.js

...ssions/assignment/destructuring/obj-prop-elem-init-let.js

...assignment/destructuring/obj-prop-elem-init-yield-expr.js

...t/destructuring/obj-prop-elem-init-yield-ident-invalid.js

...ent/destructuring/obj-prop-elem-init-yield-ident-valid.js

...signment/destructuring/obj-prop-elem-target-yield-expr.js

...destructuring/obj-prop-elem-target-yield-ident-invalid.js

...t/destructuring/obj-prop-elem-target-yield-ident-valid.js

...ssignment/destructuring/obj-prop-identifier-resolution.js

...ssignment/destructuring/obj-prop-name-evaluation-error.js

...ions/assignment/destructuring/obj-prop-name-evaluation.js

...assignment/destructuring/obj-prop-nested-array-invalid.js

...ns/assignment/destructuring/obj-prop-nested-array-null.js

...ment/destructuring/obj-prop-nested-array-undefined-own.js

...signment/destructuring/obj-prop-nested-array-undefined.js

...ignment/destructuring/obj-prop-nested-array-yield-expr.js