diff --git a/Tests/FirebladeECSTests/FSMTests.swift b/Tests/FirebladeECSTests/FSMTests.swift
index 52194d6..5d6fa3a 100644
--- a/Tests/FirebladeECSTests/FSMTests.swift
+++ b/Tests/FirebladeECSTests/FSMTests.swift
@@ -386,6 +386,21 @@ class EntityStateMachineTests: XCTestCase {
         XCTAssertTrue(entity.get(component: MockComponent.self) === component3)
     }
 
+    func testCreateStateAddsState() {
+        let state = fsm.createState(name: "test")
+        let component = MockComponent()
+        state.add(MockComponent.self).withInstance(component)
+        fsm.changeState(name: "test")
+        XCTAssertTrue(entity.get(component: MockComponent.self) === component)
+    }
+
+    func testCreateStateDoesNotChangeState() {
+        let state = fsm.createState(name: "test")
+        let component = MockComponent()
+        state.add(MockComponent.self).withInstance(component)
+        XCTAssertNil(entity.get(component: MockComponent.self))
+    }
+
     class MockComponent: ComponentInitializable {
         let value: Int
 
@@ -411,6 +426,8 @@ class EntityStateMachineTests: XCTestCase {
     }
 }
 
+// MARK: -
+
 class StateComponentMappingTests: XCTestCase {
     func testAddReturnsSameMappingForSameComponentType() {
         let state = EntityState()
diff --git a/Tests/FirebladeECSTests/XCTestManifests.swift b/Tests/FirebladeECSTests/XCTestManifests.swift
index fc0efde..2e7526c 100644
--- a/Tests/FirebladeECSTests/XCTestManifests.swift
+++ b/Tests/FirebladeECSTests/XCTestManifests.swift
@@ -96,6 +96,8 @@ extension EntityStateMachineTests {
     //   `swift test --generate-linuxmain`
     // to regenerate.
     static let __allTests__EntityStateMachineTests = [
+        ("testCreateStateAddsState", testCreateStateAddsState),
+        ("testCreateStateDoesNotChangeState", testCreateStateDoesNotChangeState),
         ("testEnterSecondStateAddsSecondStatesComponents", testEnterSecondStateAddsSecondStatesComponents),
         ("testEnterSecondStateDoesNotRemoveOverlappingComponents", testEnterSecondStateDoesNotRemoveOverlappingComponents),
         ("testEnterSecondStateRemovesDifferentComponentsOfSameType", testEnterSecondStateRemovesDifferentComponentsOfSameType),