diff --git a/chain/src/test/java/org/ethereum/beacon/chain/DefaultBeaconChainTest.java b/chain/src/test/java/org/ethereum/beacon/chain/DefaultBeaconChainTest.java
index 3df3e9bac..01eb39d8b 100644
--- a/chain/src/test/java/org/ethereum/beacon/chain/DefaultBeaconChainTest.java
+++ b/chain/src/test/java/org/ethereum/beacon/chain/DefaultBeaconChainTest.java
@@ -22,8 +22,11 @@
 import org.ethereum.beacon.core.BeaconBlock;
 import org.ethereum.beacon.core.BeaconBlockBody;
 import org.ethereum.beacon.core.BeaconState;
+import org.ethereum.beacon.core.spec.SpecConstants;
 import org.ethereum.beacon.core.state.Eth1Data;
 import org.ethereum.beacon.core.types.BLSSignature;
+import org.ethereum.beacon.core.types.Millis;
+import org.ethereum.beacon.core.types.ShardNumber;
 import org.ethereum.beacon.core.types.SlotNumber;
 import org.ethereum.beacon.core.types.Time;
 import org.ethereum.beacon.db.Database;
@@ -133,14 +136,27 @@ public void testRejectBlocks_future() {
 
     BeaconChainSpec spec =
             BeaconChainSpec.Builder.createWithDefaultParams()
+                    .withConstants(new SpecConstants() {
+                      @Override
+                      public ShardNumber getShardCount() {
+                        return ShardNumber.of(16);
+                      }
+
+                      @Override
+                      public SlotNumber.EpochLength getSlotsPerEpoch() {
+                        return new SlotNumber.EpochLength(UInt64.valueOf(4));
+                      }
+                    })
                     .withComputableGenesisTime(false)
                     .withVerifyDepositProof(false)
                     .build();
+
     StateTransition<BeaconStateEx> perSlotTransition =
             StateTransitionTestUtil.createNextSlotTransition();
-    MutableBeaconChain beaconChain = createBeaconChain(spec, perSlotTransition, schedulers);
 
+    MutableBeaconChain beaconChain = createBeaconChain(spec, perSlotTransition, schedulers);
     beaconChain.init();
+
     BeaconTuple initialTuple = beaconChain.getRecentlyProcessed();
     Assert.assertEquals(spec.getConstants().getGenesisSlot(), initialTuple.getBlock().getSlot());
 
@@ -153,7 +169,8 @@ public void testRejectBlocks_future() {
     //    assert block.slot <= get_current_slot(store.time) + 1
     BeaconState state = perSlotTransition.apply(new BeaconStateExImpl(parent.getState()));
     SlotNumber currentSlot = spec.get_current_slot(parent.getState(), schedulers.getCurrentTime());
-    SlotNumber nextToCurrentSlot = spec.get_current_slot(state, currentTime).increment();
+    schedulers.addTime(Millis.BIT_SIZE);
+    SlotNumber nextToCurrentSlot = spec.get_current_slot(state, schedulers.getCurrentTime()).increment();
     final boolean actual = nextToCurrentSlot.greaterEqual(currentSlot);
 
     //    assert store.time >= pre_state.genesis_time + block.slot * SECONDS_PER_SLOT