Tests touch-adjustment at a plugin boundary.

On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".

Test direct hits.
PASS adjusted node was EMBED#plugin.
PASS adjusted node was BUTTON#button1.
PASS adjusted node was BUTTON#button2.
PASS adjusted node was BUTTON#button3.
Test hits spanning the plugin boundary.
PASS adjusted node was EMBED#plugin.
PASS adjusted node was BUTTON#button1.
PASS adjusted node was EMBED#plugin.
PASS adjusted node was BUTTON#button2.
PASS adjusted node was EMBED#plugin.
PASS adjusted node was BUTTON#button3.
PASS successfullyParsed is true

TEST COMPLETE