hi bruce,
i actually had the same problems and questions like you have now before i took my test at HOPKINS,TOEIC. I only booked the SPEAKING AND WRITING test but when i got there and about to take the test all other applicants says That i should take the LISTENING AND READING test too which is taken on another date as you said. As soon as i finish the test and got home, i immediately wrote the embassy as to WHICH test i should be taking or do i really have to take BOTH TEST. and here is their reply am sharing it to you:
Dear Ms____
Greetings from UK VAC!
You will only need to take the Listening and Speaking module. However, most testing centres offer bundled package for Listening and Reading and Speaking and Writing. In that case, you will need to take both, as it is a part of their bundled package, hence cannot be separated.
Sincerely,
VFS Helpline UK VAC
www.vfs-uk-ph.com
i hope this will help you to know that the two test should be taken. EXPENSIVE and a long wait of result to the SPEAKING AND WRITING test.. TOEIC test is not difficult its the waiting and the expenses that makes it a burden lol tell your gf to expect that ones she takes the speaking and writing test that its like a cockpit arena wherein you answer ALL AT THE SAME time in front of a PC
i was shocked my self bec i was expecting a better and conducive testing center especially if they are conducting such test.
good luck!!