Add ExpectPing to watch for db Ping calls

options.go

@@ -20,3 +20,19 @@ func QueryMatcherOption(queryMatcher QueryMatcher) func(*sqlmock) error {
 		return nil
 	}
 }
+
+// MonitorPingsOption determines whether calls to Ping on the driver should be
+// observed and mocked.
+//
+// If true is passed, we will check these calls were expected. Expectations can
+// be registered using the ExpectPing() method on the mock.
+//
+// If false is passed or this option is omitted, calls to Ping will not be
+// considered when determining expectations and calls to ExpectPing will have
+// no effect.
+func MonitorPingsOption(monitorPings bool) func(*sqlmock) error {
+	return func(s *sqlmock) error {
+		s.monitorPings = monitorPings
+		return nil
+	}
+}