Can't run regression test while harness JDK 1.6.0

host stt-121
[stt-robot@stt-121]$ /export/jdk/jdk1.6.0_24/bin/java -jar /net/stt-13.russia.su
n.com/export/home0/regression/tools/jtest-latest/lib/jtreg.jar -testjdk:/export/jdk/jdk1.7.0/ /net/stt-13.russia.sun.com/export/home0/regression/workspaces/170/1.7.0_fcsb130/j2se_java/test/closed/java/awt/List/ScrollbarPresenceTest/ScrollbarPresenceTest.html
Error: Bad arguments
Unrecognized argument: -testjdk:/export/jdk/jdk1.7.0/

When harness JDK 1.5 or 7 it works fine.