[master] add files omitted from coverage test

bin/tests/system/coverage/09-check-zsk/README

+This set includes one KSK rollover.  The KSK is deactivated prior to
+its replacement being activated; however, as we are only checking ZSK's,
+we should not detect the error.  Tool output should resemble:
+
+Checking ZSK events for zone example.com, algorithm 7:
+OK

bin/tests/system/coverage/09-check-zsk/expect

+args="-z -d 1h -m 2h"
+warn=0
+error=0
+ok=1
+retcode=0
+match=""

bin/tests/system/coverage/10-check-ksk/README

+This set includes one ZSK rollover.  The first ZSK is deactivated
+prior to its replacement being activated; however, as we are only
+checking KSKs, we should not detect the error.  Tool output should
+resemble:
+
+Checking KSK events for zone example.com, algorithm 7:
+OK

bin/tests/system/coverage/10-check-ksk/expect

+args="-k -d 1h -m 2h"
+warn=0
+error=0
+ok=1
+retcode=0
+match=""

bin/tests/system/coverage/11-cutoff/README

+This set includes one KSK rollover.  The KSK is deactivated prior to
+its replacement being activated.  Tool output should resemble:
+
+Checking KSK events for zone example.com, algorithm 7:
+ERROR: After 2012-31-Jul (20:59:14):
+    Inactive: example.com/007/45435 (KSK)
+No KSK's are active
+
+Checking ZSK events for zone example.com, algorithm 7:
+OK

bin/tests/system/coverage/11-cutoff/expect

+args="-l 1y -d 1h -m 2h"
+warn=0
+error=0
+ok=2
+retcode=0
+match=""