8157957: ClassNotFoundException: jdk.test.lib.JDKToolFinder
Reviewed-by: coleenp, gtriantafill, mseledtsov, iignatyev, dholmes, dsamersoff

8138993: JEP-JDK-8046155: Test task: add check for Compiler.directives_print diagnostic command
Summary: Test Compiler.directive_print command
Reviewed-by: iignatyev, neliasso