fix TestFailingHBaseMasterCommand. by passing a timeout of milliseconds, not seconds
BUG-9429 regression: accumulo tests faling. The root cause was accumulo trunk changing the layout of files, but to make this less brittle in future the same tests that accumulo.sh uses (look at env vars, verify they are directories) were pulled into {{AccumuloProviderService}}. The AM will fail with a message, rather than just have the forked accumulo process exit with an error