Only report passed tests in info

Change-Id: I728d9a07f7a64cf3b00f2393eccf57a21ad40e58
diff --git a/mininet-test.rules b/mininet-test.rules
index c238bf4..b4151e4 100644
--- a/mininet-test.rules
+++ b/mininet-test.rules
@@ -6,15 +6,10 @@
 # Failed full tests will be marked with FAILED
 error /FAILED/
 
-# Print warnings for specific sub-errors
+# Warn on exceptions and sub-errors
 warn /(?i)^exception/
 warn /ERROR/
 
-# Passed tests should be marked with OK
-ok /Test.*OK/
-
-# Useful information
+# Report passed tests in Info
 info /Test.*OK/
-info /(?i)booting/
-info /(?i)running tests/
-info /Ran.*tests in/
+info /Sanity.*OK/