diff --git a/src/Famix-Test10-Tests/FamixTest10Test.class.st b/src/Famix-Test10-Tests/FamixTest10Test.class.st
new file mode 100644
index 00000000..51281740
--- /dev/null
+++ b/src/Famix-Test10-Tests/FamixTest10Test.class.st
@@ -0,0 +1,44 @@
+Class {
+	#name : #FamixTest10Test,
+	#superclass : #TestCase,
+	#category : #'Famix-Test10-Tests'
+}
+
+{ #category : #running }
+FamixTest10Test >> tearDown [
+
+	FamixTest10Generator packageName asPackageIfAbsent: [
+		^ super tearDown ].
+	FamixTest10Generator deleteMetaModel.
+	super tearDown
+]
+
+{ #category : #tests }
+FamixTest10Test >> testRegenerationWithSlightDifferenceFromScratchWorks [
+
+	FamixTest10Generator generate.
+	FamixTest10Generator deleteMetaModel.
+
+	FamixTest10BisGenerator generate.
+
+	"Explicitly check that the default value is true"
+	self
+		assert:
+			((self class environment at: #FamixTest10MyClass) slotNamed:
+				 #isTasty) defaultValue
+		equals: true
+]
+
+{ #category : #tests }
+FamixTest10Test >> testRegenerationWithSlightDifferenceRedefinesSlotDefaultValue [
+
+	FamixTest10Generator generate.
+	FamixTest10BisGenerator generate.
+
+	"Explicitly check that the default value is true"
+	self
+		assert:
+			((self class environment at: #FamixTest10MyClass) slotNamed:
+				 #isTasty) defaultValue
+		equals: true
+]
diff --git a/src/Famix-Test10-Tests/package.st b/src/Famix-Test10-Tests/package.st
new file mode 100644
index 00000000..f072098a
--- /dev/null
+++ b/src/Famix-Test10-Tests/package.st
@@ -0,0 +1 @@
+Package { #name : #'Famix-Test10-Tests' }
diff --git a/src/Famix-TestGenerators/FamixTest10BisGenerator.class.st b/src/Famix-TestGenerators/FamixTest10BisGenerator.class.st
new file mode 100644
index 00000000..d4136a7e
--- /dev/null
+++ b/src/Famix-TestGenerators/FamixTest10BisGenerator.class.st
@@ -0,0 +1,11 @@
+Class {
+	#name : #FamixTest10BisGenerator,
+	#superclass : #FamixTest10Generator,
+	#category : #'Famix-TestGenerators'
+}
+
+{ #category : #definition }
+FamixTest10BisGenerator >> defineRelations [
+
+	myClass property: #isTasty type: #Boolean defaultValue: true
+]
diff --git a/src/Famix-TestGenerators/FamixTest10Generator.class.st b/src/Famix-TestGenerators/FamixTest10Generator.class.st
new file mode 100644
index 00000000..e1410e94
--- /dev/null
+++ b/src/Famix-TestGenerators/FamixTest10Generator.class.st
@@ -0,0 +1,45 @@
+Class {
+	#name : #FamixTest10Generator,
+	#superclass : #FamixBasicInfrastructureGenerator,
+	#instVars : [
+		'myClass'
+	],
+	#category : #'Famix-TestGenerators'
+}
+
+{ #category : #accessing }
+FamixTest10Generator class >> packageName [
+
+	^ #'Famix-Test10-Entities'
+]
+
+{ #category : #accessing }
+FamixTest10Generator class >> prefix [
+
+	^ #'FamixTest10'
+]
+
+{ #category : #testing }
+FamixTest10Generator class >> shouldBeUpToDateInLatestMoose [
+
+	"This generator is used dynamically by the tests"
+	^ false
+]
+
+{ #category : #definition }
+FamixTest10Generator >> defineClasses [
+
+	myClass := self builder newClassNamed: #MyClass
+]
+
+{ #category : #definition }
+FamixTest10Generator >> defineHierarchy [
+
+	"Do nothing"
+]
+
+{ #category : #definition }
+FamixTest10Generator >> defineRelations [
+
+	myClass property: #isTasty type: #Boolean
+]