Code review comments from pmooney (sundry), and igork (screwups in zonecfg refactoring)

@@ -81,10 +81,14 @@
     fi
 }
 
 ret=0
 
+expect_success valid-no-config <<EOF
+EOF
+(( $? != 0 )) && ret=1
+
 expect_success valid-full-config <<EOF
 add security-flags
 set lower=none
 set default=aslr
 set upper=all