Akka.TestKit.Xunit2.Internals.AkkaEqualException : Assert.Equal() Failure
Expected: -2147483648
Actual:   1717986913
   at Akka.TestKit.Xunit2.XunitAssertions.AssertEqual[T](T expected, T actual, String format, Object[] args) in /checkout/src/contrib/testkits/Akka.TestKit.Xunit2/XunitAssertions.cs:line 67
   at Akka.TestKit.TestKitBase.<>c__DisplayClass93_0`1.<ExpectMsg>b__0(T m) in /checkout/src/core/Akka.TestKit/TestKitBase_Expect.cs:line 54
   at Akka.TestKit.TestKitBase.<>c__DisplayClass104_0`1.<InternalExpectMsgEnvelope>b__2(T m, IActorRef sender) in /checkout/src/core/Akka.TestKit/TestKitBase_Expect.cs:line 222
   at Akka.TestKit.TestKitBase.InternalExpectMsgEnvelope[T](Nullable`1 timeout, Action`2 assert, String hint, Boolean shouldLog) in /checkout/src/core/Akka.TestKit/TestKitBase_Expect.cs:line 252
   at Akka.TestKit.TestKitBase.InternalExpectMsgEnvelope[T](Nullable`1 timeout, Action`1 msgAssert, Action`1 senderAssert, String hint) in /checkout/src/core/Akka.TestKit/TestKitBase_Expect.cs:line 224
   at Akka.TestKit.TestKitBase.InternalExpectMsg[T](Nullable`1 timeout, Action`1 msgAssert, String hint) in /checkout/src/core/Akka.TestKit/TestKitBase_Expect.cs:line 199
   at Akka.TestKit.TestKitBase.ExpectMsg[T](T message, Nullable`1 timeout, String hint) in /checkout/src/core/Akka.TestKit/TestKitBase_Expect.cs:line 54
   at Akka.Tests.Dispatch.MailboxesSpec.<>c__DisplayClass5_0.<Unbounded_Priority_Mailbox_Supports_Unbounded_Stashing>b__0() in /checkout/src/core/Akka.Tests/Dispatch/MailboxesSpec.cs:line 274
   at Akka.TestKit.TestKitBase.<>c__DisplayClass141_0.<Within>b__0() in /checkout/src/core/Akka.TestKit/TestKitBase_Within.cs:line 48
   at Akka.TestKit.TestKitBase.Within[T](TimeSpan min, TimeSpan max, Func`1 function, String hint, Nullable`1 epsilonValue) in /checkout/src/core/Akka.TestKit/TestKitBase_Within.cs:line 101
   at Akka.TestKit.TestKitBase.Within(TimeSpan min, TimeSpan max, Action action, String hint, Nullable`1 epsilonValue) in /checkout/src/core/Akka.TestKit/TestKitBase_Within.cs:line 48
   at Akka.TestKit.TestKitBase.Within(TimeSpan max, Action action, Nullable`1 epsilonValue) in /checkout/src/core/Akka.TestKit/TestKitBase_Within.cs:line 31
   at Akka.Tests.Dispatch.MailboxesSpec.Unbounded_Priority_Mailbox_Supports_Unbounded_Stashing() in /checkout/src/core/Akka.Tests/Dispatch/MailboxesSpec.cs:line 268