The expected errors in these tests cannot be asserted with the
`assert.throws` helper function for various reasons. Re-format their
meta-data according to the latest design in order to more precisely
describe test expectations.
Files whose name ends in `_.js` are not themselves valid Test262 tests
and should not be interpreted as such by test runners.
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The tests for the GetBindingValue method of the module Environment
Record are very minimal. This is because GetBindingValue is necessary to
assert any aspect of binding creation/initialization/mutation. In this
way, GetBindingValue is being implicitly tested by every test that
references a binding value.