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diff --git a/net.mograsim.logic.model.am2900/test/net/mograsim/logic/model/am2900/util/DisplayStateOnFailure.java b/net.mograsim.logic.model.am2900/test/net/mograsim/logic/model/am2900/util/DisplayStateOnFailure.java
new file mode 100644
index 00000000..3f68c67e
--- /dev/null
+++ b/net.mograsim.logic.model.am2900/test/net/mograsim/logic/model/am2900/util/DisplayStateOnFailure.java
@@ -0,0 +1,30 @@
+package net.mograsim.logic.model.am2900.util;
+
+import java.util.Objects;
+
+import org.junit.jupiter.api.extension.AfterTestExecutionCallback;
+import org.junit.jupiter.api.extension.ExtensionContext;
+
+import net.mograsim.logic.model.am2900.TestableCircuit;
+
+public class DisplayStateOnFailure implements AfterTestExecutionCallback
+{
+	public static final boolean ACTIVE = true;
+
+	private final TestableCircuit circuitUnderTest;
+
+	public DisplayStateOnFailure(TestableCircuit circuitUnderTest)
+	{
+		this.circuitUnderTest = Objects.requireNonNull(circuitUnderTest);
+	}
+
+	@Override
+	public void afterTestExecution(ExtensionContext context) throws Exception
+	{
+		if (ACTIVE && context.getExecutionException().isPresent())
+		{
+			context.getExecutionException().get().printStackTrace();
+			circuitUnderTest.displayState();
+		}
+	}
+}