Fix SimpleLawsTest: Init affinity and actually wait on CPS

tests/SimpleLawsTest.cpp

@@ -50,6 +50,8 @@ static void alphaFun() {
 		memset(currentFiberData.payload, 0, sizeof(uint64_t) * PAYLOAD_COUNT);
 		currentFiberData.fiberNum = i;
 		currentFiberData.cps = nullptr;
+
+		affinities[i].affinity = Fiber::NOT_AFFINE;
 	}
 
 	for (unsigned int round = 0; round < ROUND_COUNT; ++round) {
@@ -82,6 +84,7 @@ static void alphaFun() {
 			&affinities[i].affinity);
 		runtime->schedule(*fiber);
 	}
+	cps.wait();
 
 	free(fiberData);
 	free(affinities);