@Before
public void setup() {
counter = 0;
MicroKernel mk1 = new MicroKernelImpl("./target/mk1/" + random.nextInt());
store1 = new KernelNodeStore(mk1);
vf = store1.getValueFactory();
mk1.commit("", "+\"/root\":{}", mk1.getHeadRevision(), "");
root1 = new RootImpl(store1, null, new TestAcContext());
MicroKernel mk2 = new MicroKernelImpl("./target/mk2/" + random.nextInt());
store2 = new KernelNodeStore(mk2);
mk2.commit("", "+\"/root\":{}", mk2.getHeadRevision(), "");
root2 = new RootImpl(store2, null, new TestAcContext());
}