will_lock = true;
	public void test_U_Projects_O_Datasets_O_Link() throws Exception {		ownsfA = u;		ownerA = user;		groupA = user_other_group;				ownsfB = ownsfC = o;		ownerB = ownerC = other;		groupB = groupC = user_other_group;				// RW_RW_RW / RW_RW_RW / RW_RW_RW		permsA = permsB = permsC = RW_RW_RW;		manyToMany();				// RW_RW_RW / RW_RW_xx / RW_RW_RW		permsA = RW_RW_RW;		permsB = RW_RW_xx;		permsC = RW_RW_RW;		manyToMany();				// RW_RW_RW / RW_xx_xx / RW_RW_RW		permsA = RW_RW_RW;		permsB = RW_xx_xx;		permsC = RW_RW_RW;		manyToMany();			}