This tests that modifier keys are propagated to the fake mouse event created when you press return and a link has focus.

If the test succeeds, you should see six "PASS" messages below.

This is the link used for testing.

PASS: click event had all the right key state.
PASS: click event had all the right key state.
PASS: click event had all the right key state.
PASS: click event had all the right key state.
PASS: click event had all the right key state.
PASS: click event had all the right key state.

