Sentinel test: test majority crashing Sentinels.
Sentinel test: test majority crashing Sentinels.

The test was previously performed by removing the master from the
Sentinel monitored masters. The test with the Sentinels crashed is
more similar to real-world partitions / failures.

ramonsnir/redis,HunanTV/redis,ramonsnir/redis,HunanTV/redis,louisliangjun/redis,louisliangjun/redis,himoca/redis,Hailei/redis,louisliangjun/redis,MSOpenTech/redis,jxwr/redis,xuzhezhaozhao/redis_reading,maodeyi/redis_lua,ttuna/msot-redis,darksideofthemoo/redis-histogram,maodeyi/redis_lua,splitice/redis,ksarch-saas/redis,ksarch-saas/redis,splitice/redis,HunanTV/redis,Hailei/redis,Hailei/redis,himoca/redis,darksideofthemoo/redis-histogram,Hailei/redis,ttuna/msot-redis,jxwr/redis,jxwr/redis,ramonsnir/redis,ttuna/msot-redis,slfs007/mk-redis,MSOpenTech/redis,HunanTV/redis,MSOpenTech/redis,MSOpenTech/redis,louisliangjun/redis,xuzhezhaozhao/redis_reading,spearhead-ea/redis,ksarch-saas/redis,xuzhezhaozhao/redis_reading,spearhead-ea/redis,slfs007/mk-redis,himoca/redis,darksideofthemoo/redis-histogram,splitice/redis,MSOpenTech/redis,xuzhezhaozhao/redis_reading,darksideofthemoo/redis-histogram,ttuna/msot-redis,splitice/redis,slfs007/mk-redis,maodeyi/redis_lua,ttuna/msot-redis,ksarch-saas/redis,spearhead-ea/redis