diff --git a/assertion/src/test/scala/fifoConcurrentAssertionTest.scala b/assertion/src/test/scala/fifoConcurrentAssertionTest.scala
index d13c3b8..46515d2 100644
--- a/assertion/src/test/scala/fifoConcurrentAssertionTest.scala
+++ b/assertion/src/test/scala/fifoConcurrentAssertionTest.scala
@@ -24,19 +24,52 @@ import chiseltest._
       }
     }
 
-    it should "test if" in {
+    it should "test if assertions listed in test works simple circumstances" in {
       test(new BubbleFifo(32, 8)) {
         dut => {
           val w = 0
           dut.io.deq.read.poke(false.B)
           dut.io.enq.write.poke(true.B)
           dut.io.enq.din.poke(4.U)
+          val s = assertEventually(dut, () => dut.io.deq.dout.peek.litValue == 4, 8, "Error")
           val t = assertEventuallyAlways(dut, () => dut.io.deq.dout.peek.litValue == 4, 8, "Error")
+          val p = assertOnCycle(dut, () => dut.io.deq.dout.peek.litValue == 4, 8, "Error")
+          s.join
+          t.join
+          p.join
+        }
+      }
+    }
+    it should "FAIL: test if assertOnCycle fails" in {
+      test(new BubbleFifo(32, 8)) {
+        dut => {
+          val w = 0
+          dut.io.deq.read.poke(false.B)
+          dut.io.enq.write.poke(true.B)
+          dut.io.enq.din.poke(4.U)
+          val p = assertOnCycle(dut, () => dut.io.deq.dout.peek.litValue == 4, 7, "Shoud fail, no probs")
+          p.join
+        }
+      }
+    }
+    it should "FAIL: test if assertions EventuallyAlways fails under" in {
+      test(new BubbleFifo(32, 8)) {
+        dut => {
+          val w = 0
+          dut.io.deq.read.poke(false.B)
+          dut.io.enq.write.poke(false.B)
+          dut.io.enq.din.poke(4.U)
+          val t = assertEventuallyAlways(dut, () => dut.io.deq.notReady.peek.litValue == 1, 20, "Error")
+          dut.clock.step(1)
+          dut.io.deq.read.poke(true.B)
+          dut.io.enq.write.poke(false.B)
+          dut.clock.step(8)
+          dut.io.deq.read.poke(false.B)
+          dut.io.enq.write.poke(false.B)
           t.join
         }
       }
     }
-