add more books to demo app

Author: jrief

testapp/fixtures/data.json

@@ -174,6 +174,20 @@
     "name": "Dennis Byrne"
   }
 },
+{
+  "model": "testapp.author",
+  "pk": 27,
+  "fields": {
+    "name": "David Gries"
+  }
+},
+{
+  "model": "testapp.author",
+  "pk": 28,
+  "fields": {
+    "name": "Adam Johnson"
+  }
+},
 {
   "model": "testapp.book",
   "pk": 1,
@@ -516,6 +530,42 @@
     "author": 26
   }
 },
+{
+  "model": "testapp.book",
+  "pk": 39,
+  "fields": {
+    "title": "The Science of Programming",
+    "my_order": 42,
+    "author": 27
+  }
+},
+{
+  "model": "testapp.book",
+  "pk": 40,
+  "fields": {
+    "title": "Speed Up Your Django Tests",
+    "my_order": 39,
+    "author": 28
+  }
+},
+{
+  "model": "testapp.book",
+  "pk": 41,
+  "fields": {
+    "title": "Boost Your Django DX",
+    "my_order": 40,
+    "author": 28
+  }
+},
+{
+  "model": "testapp.book",
+  "pk": 42,
+  "fields": {
+    "title": "Boost Your GitHub DX",
+    "my_order": 41,
+    "author": 28
+  }
+},
 {
   "model": "testapp.chapter",
   "pk": 1,

testapp/models.py

@@ -23,14 +23,12 @@ class Book(models.Model):
         blank=True,
         max_length=255,
     )
-
     my_order = models.PositiveIntegerField(
         default=0,
         blank=False,
         null=False,
         db_index=True,
     )
-
     author = models.ForeignKey(
         Author,
         null=True,