Move django bootstrapping to separate file so it can be reused between test modules.

tests/django_test_setup.py

@@ -0,0 +1,12 @@
+import django
+from django.conf import settings
+
+if not settings.configured:
+    settings.configure(
+        INSTALLED_APPS=('django_components',),
+        TEMPLATES=[{
+            'BACKEND': 'django.template.backends.django.DjangoTemplates',
+            'DIRS': ["tests/templates/"],
+        }]
+    )
+    django.setup()

tests/test_component.py

@@ -1,16 +1,7 @@
 from textwrap import dedent
 import unittest
-import django
-from django.conf import settings
 from django_components import component
-
-settings.configure(
-    TEMPLATES=[{
-        'BACKEND': 'django.template.backends.django.DjangoTemplates',
-        'DIRS': ["tests/templates/"],
-    }]
-)
-django.setup()
+from .django_test_setup import *  # NOQA
 
 class SimpleComponent(component.Component):
     def context(self, variable=None):