void markFulfilled(ExecutionSlotSharingGroup group, AllocationID allocationId) {
        pendingRequests.remove(group);
        fulfilledRequests.put(group, allocationId);
    }
@Test
    void testMarkFulfilled() {
        SharingPhysicalSlotRequestBulk bulk = createBulk();
        AllocationID allocationId = new AllocationID();
        bulk.markFulfilled(SG1, allocationId);
        assertThat(bulk.getPendingRequests()).contains(RP2);
        assertThat(bulk.getAllocationIdsOfFulfilledRequests()).contains(allocationId);
    }