diff --git a/spring-statemachine-uml/src/test/java/org/springframework/statemachine/uml/UmlStateMachineModelFactoryTests.java b/spring-statemachine-uml/src/test/java/org/springframework/statemachine/uml/UmlStateMachineModelFactoryTests.java
index 18690ec8..3b022933 100644
--- a/spring-statemachine-uml/src/test/java/org/springframework/statemachine/uml/UmlStateMachineModelFactoryTests.java
+++ b/spring-statemachine-uml/src/test/java/org/springframework/statemachine/uml/UmlStateMachineModelFactoryTests.java
@@ -659,6 +659,8 @@ public class UmlStateMachineModelFactoryTests extends AbstractUmlTests {
assertThat(stateMachine.getState().getIds(), containsInAnyOrder("S2", "S21", "S30"));
stateMachine.sendEvent("E3");
assertThat(stateMachine.getState().getIds(), containsInAnyOrder("S2", "S21", "S31"));
+ stateMachine.sendEvent("E4");
+ assertThat(stateMachine.getState().getIds(), containsInAnyOrder("S3"));
}
@Test
diff --git a/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-submachineref.notation b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-submachineref.notation
index c6e0cf6c..cf4c18c4 100644
--- a/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-submachineref.notation
+++ b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-submachineref.notation
@@ -43,6 +43,17 @@
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@@ -77,12 +88,15 @@
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@@ -91,6 +105,25 @@
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diff --git a/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-submachineref.uml b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-submachineref.uml
index deb9d0d5..0bae67b5 100644
--- a/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-submachineref.uml
+++ b/spring-statemachine-uml/src/test/resources/org/springframework/statemachine/uml/simple-submachineref.uml
@@ -2,14 +2,19 @@
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@@ -38,4 +43,5 @@
+