[ASTERIXDB-2172] Increase heartbeat max misses

Avoid GC causing intermittent false dead-node detection by increasing
heartbeat duration from 10 to 50s.

Change-Id: I3178e61b13185eea0d74187e882ad1d207702f74
Reviewed-on: https://asterix-gerrit.ics.uci.edu/2318
Sonar-Qube: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Reviewed-by: Murtadha Hubail <mhubail@apache.org>
Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Contrib: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Integration-Tests: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
diff --git a/asterixdb/asterix-app/src/test/resources/cc.conf b/asterixdb/asterix-app/src/test/resources/cc.conf
index bdd3e74..3e4ecd9 100644
--- a/asterixdb/asterix-app/src/test/resources/cc.conf
+++ b/asterixdb/asterix-app/src/test/resources/cc.conf
@@ -45,6 +45,7 @@
 address = 127.0.0.1
 app.class=org.apache.asterix.hyracks.bootstrap.CCApplication
 heartbeat.period=2000
+heartbeat.max.misses=25
 
 [common]
 log.level = INFO