assert.strictEqual( $toggleLink.length, 1, 'Toggle link is added to the table of contents' );
assert.strictEqual( $tocList.is( ':hidden' ), false, 'The table of contents is now visible' );
$toggleLink.click();
assert.strictEqual( $toggleLink.length, 1, 'Toggle link is added to the table of contents' );
assert.strictEqual( $tocList.is( ':hidden' ), false, 'The table of contents is now visible' );
$toggleLink.click();