hg: code-tools/jtreg: FAQ: move 'Can I put more than one test in a file' to 'Writing a test'; added more examples; @comment

[jonathan.gibbons at oracle.com]

Changeset: 20683719e90c
Author:    jjg
Date:      2018-08-16 17:21 -0700
URL:       http://hg.openjdk.java.net/code-tools/jtreg/rev/20683719e90c

FAQ: move 'Can I put more than one test in a file' to 'Writing a test'; added more examples; @comment

! src/share/doc/javatest/regtest/faq.md