1 files changed, 8 insertions, 5 deletions
diff --git a/tests/schema/models.py b/tests/schema/models.py
index 7a5454761e..adfa505420 100644
--- a/tests/schema/models.py
+++ b/tests/schema/models.py
@@ -34,7 +34,7 @@ class AuthorWithEvenLongerName(models.Model):
 
 
 class Book(models.Model):
-    author = models.ForeignKey(Author)
+    author = models.ForeignKey(Author, models.CASCADE)
     title = models.CharField(max_length=100, db_index=True)
     pub_date = models.DateTimeField()
     # tags = models.ManyToManyField("Tag", related_name="books")
@@ -44,7 +44,7 @@ class Book(models.Model):
 
 
 class BookWeak(models.Model):
-    author = models.ForeignKey(Author, db_constraint=False)
+    author = models.ForeignKey(Author, models.CASCADE, db_constraint=False)
     title = models.CharField(max_length=100, db_index=True)
     pub_date = models.DateTimeField()
 
@@ -53,14 +53,17 @@ class BookWeak(models.Model):
 
 
 class BookWithLongName(models.Model):
-    author_foreign_key_with_really_long_field_name = models.ForeignKey(AuthorWithEvenLongerName)
+    author_foreign_key_with_really_long_field_name = models.ForeignKey(
+        AuthorWithEvenLongerName,
+        models.CASCADE,
+    )
 
     class Meta:
         apps = new_apps
 
 
 class BookWithO2O(models.Model):
-    author = models.OneToOneField(Author)
+    author = models.OneToOneField(Author, models.CASCADE)
     title = models.CharField(max_length=100, db_index=True)
     pub_date = models.DateTimeField()
 
@@ -70,7 +73,7 @@ class BookWithO2O(models.Model):
 
 
 class BookWithSlug(models.Model):
-    author = models.ForeignKey(Author)
+    author = models.ForeignKey(Author, models.CASCADE)
     title = models.CharField(max_length=100, db_index=True)
     pub_date = models.DateTimeField()
     slug = models.CharField(max_length=20, unique=True)