Fix double free in test.
Fix double free in test.

taschik/ramcloud,utah-scs/RAMCloud,rstutsman/RAMCloud,taschik/ramcloud-load-manager,jcarreira/ramcloud,behnamm/cs244b_project,DavidLi2010/ramcloud,behnamm/cs244b_project,mrdiegoa/ramcloud,matrix207/RAMCloud,QingkaiLu/RAMCloud,jcarreira/ramcloud,mrdiegoa/ramcloud,jcarreira/ramcloud,anirajk/RAMCloud,Frank-Wu/RamCloud,taschik/ramcloud-load-manager,mrdiegoa/ramcloud,matrix207/RAMCloud,alexandermerritt/ramcloud,QingkaiLu/RAMCloud,rstutsman/RAMCloud,matrix207/RAMCloud,SMatsushi/RAMCloud,matrix207/RAMCloud,IMCG/RamCloud,QingkaiLu/RAMCloud,QingkaiLu/RAMCloud,DavidLi2010/ramcloud,IMCG/RamCloud,jblomer/ramcloud,DavidLi2010/ramcloud,anirajk/RAMCloud,rstutsman/RAMCloud,IMCG/RamCloud,SMatsushi/RAMCloud,y-higuchi/ramcloud,taschik/ramcloud,mrdiegoa/ramcloud,rstutsman/RAMCloud,jblomer/ramcloud,taschik/ramcloud-load-manager,Frank-Wu/RamCloud,anirajk/RAMCloud,y-higuchi/ramcloud,DavidLi2010/ramcloud,taschik/ramcloud,matrix207/RAMCloud,behnamm/cs244b_project,y-higuchi/ramcloud,jblomer/ramcloud,SMatsushi/RAMCloud,DavidLi2010/ramcloud,alexandermerritt/ramcloud,utah-scs/RAMCloud,Frank-Wu/RamCloud,SMatsushi/RAMCloud,taschik/ramcloud-load-manager,rstutsman/RAMCloud,anirajk/RAMCloud,taschik/ramcloud,alexandermerritt/ramcloud,IMCG/RamCloud,y-higuchi/ramcloud,y-higuchi/ramcloud,Frank-Wu/RamCloud,taschik/ramcloud,anirajk/RAMCloud,jblomer/ramcloud,jcarreira/ramcloud,behnamm/cs244b_project,Frank-Wu/RamCloud,alexandermerritt/ramcloud,IMCG/RamCloud,DavidLi2010/ramcloud,QingkaiLu/RAMCloud,taschik/ramcloud-load-manager,SMatsushi/RAMCloud,jcarreira/ramcloud,matrix207/RAMCloud,jblomer/ramcloud,utah-scs/RAMCloud,alexandermerritt/ramcloud,mrdiegoa/ramcloud,utah-scs/RAMCloud,rstutsman/RAMCloud,Frank-Wu/RamCloud,QingkaiLu/RAMCloud,IMCG/RamCloud,utah-scs/RAMCloud,alexandermerritt/ramcloud,SMatsushi/RAMCloud,y-higuchi/ramcloud,utah-scs/RAMCloud,behnamm/cs244b_project,anirajk/RAMCloud,behnamm/cs244b_project,jcarreira/ramcloud,jblomer/ramcloud,mrdiegoa/ramcloud