test creates .class files in the test/ directory

$ lt.jtreg test/tools/javac/api/8007344/Directory "build/jtreg/report" not found: creating
Directory "build/jtreg/work" not found: creating
Directory "build/jtreg/work/scratch" not found: creating
Passed: tools/javac/api/8007344/Test.java
Test results: passed: 1
Report written to /w/jjg/work/play/langtools/build/jtreg/report/html/report.html
Results written to /w/jjg/work/play/langtools/build/jtreg/work
$ hg status
? test/tools/javac/api/8007344/Test$1.class
? test/tools/javac/api/8007344/Test$AnnoProc.class
? test/tools/javac/api/8007344/Test$Checker.class
? test/tools/javac/api/8007344/Test$TaskListnr.class
? test/tools/javac/api/8007344/Test.class