diff --git a/tests/Tgstation.Server.Host.Service.Tests/TestServerService.cs b/tests/Tgstation.Server.Host.Service.Tests/TestServerService.cs
index 54dc719a0b..7c5ae3bed2 100644
--- a/tests/Tgstation.Server.Host.Service.Tests/TestServerService.cs
+++ b/tests/Tgstation.Server.Host.Service.Tests/TestServerService.cs
@@ -34,19 +34,40 @@ namespace Tgstation.Server.Host.Service.Tests
 
 			var mockWatchdog = new Mock<IWatchdog>();
 			var args = Array.Empty<string>();
-			CancellationToken cancellationToken;
-			mockWatchdog.Setup(x => x.RunAsync(false, It.IsNotNull<string[]>(), It.IsAny<CancellationToken>())).Callback((bool x, string[] _, CancellationToken token) => cancellationToken = token).Returns(Task.FromResult(true)).Verifiable();
+			CancellationToken cancellationToken = default;
+			Task signalCheckerTask = null;
+			var childStarted = false;
+			ISignalChecker signalChecker = null;
+
+			mockWatchdog.Setup(x => x.RunAsync(false, It.IsNotNull<string[]>(), It.IsAny<CancellationToken>())).Callback((bool x, string[] _, CancellationToken token) =>
+			{
+				cancellationToken = token;
+				signalCheckerTask = signalChecker.CheckSignals(additionalArgs =>
+				{
+					childStarted = true;
+					return (123, Task.CompletedTask);
+				}, cancellationToken);
+			}).Returns(Task.FromResult(true)).Verifiable();
 			var mockWatchdogFactory = new Mock<IWatchdogFactory>();
-			mockWatchdogFactory.Setup(x => x.CreateWatchdog(It.IsNotNull<ISignalChecker>(), It.IsNotNull<ILoggerFactory>())).Returns(mockWatchdog.Object).Verifiable();
+
+			mockWatchdogFactory.Setup(x => x.CreateWatchdog(It.IsNotNull<ISignalChecker>(), It.IsNotNull<ILoggerFactory>()))
+				.Callback<ISignalChecker, ILoggerFactory>((s, loggerFactory) =>
+				{
+					signalChecker = s;
+				})
+				.Returns(mockWatchdog.Object)
+				.Verifiable();
 
 			using (var service = new ServerService(mockWatchdogFactory.Object, Array.Empty<string>(), default))
 			{
 				onStart.Invoke(service, new object[] { args });
+				Assert.IsTrue(childStarted);
 				onStop.Invoke(service, Array.Empty<object>());
 				mockWatchdog.VerifyAll();
 			}
 
 			mockWatchdogFactory.VerifyAll();
+			Assert.IsTrue(signalCheckerTask.IsCompleted);
 		}
 	}
 }