diff --git a/wagtail/wagtailsearch/tests/test_backends.py b/wagtail/wagtailsearch/tests/test_backends.py
index 04d28689a..e9b656298 100644
--- a/wagtail/wagtailsearch/tests/test_backends.py
+++ b/wagtail/wagtailsearch/tests/test_backends.py
@@ -151,27 +151,6 @@ class BackendTests(object):
         self.assertEqual(len(results), 3)
 
 
-class TestDBBackend(BackendTests, TestCase):
-    backend_path = 'wagtail.wagtailsearch.backends.db.DBSearch'
-
-    @unittest.expectedFailure
-    def test_callable_indexed_field(self):
-        super(TestDBBackend, self).test_callable_indexed_field()
-
-
-class TestElasticSearchBackend(BackendTests, TestCase):
-    backend_path = 'wagtail.wagtailsearch.backends.elasticsearch.ElasticSearch'
-
-    def test_search_with_spaces_only(self):
-        # Search for some space characters and hope it doesn't crash
-        results = self.backend.search("   ", models.SearchTest)
-
-        # Queries are lazily evaluated, force it to run
-        list(results)
-
-        # Didn't crash, yay!
-
-
 @override_settings(WAGTAILSEARCH_BACKENDS={
     'default': {'BACKEND': 'wagtail.wagtailsearch.backends.db.DBSearch'}
 })
diff --git a/wagtail/wagtailsearch/tests/test_db_backend.py b/wagtail/wagtailsearch/tests/test_db_backend.py
new file mode 100644
index 000000000..f471a34d1
--- /dev/null
+++ b/wagtail/wagtailsearch/tests/test_db_backend.py
@@ -0,0 +1,13 @@
+from wagtail.tests.utils import unittest
+
+from django.test import TestCase
+
+from .test_backends import BackendTests
+
+
+class TestDBBackend(BackendTests, TestCase):
+    backend_path = 'wagtail.wagtailsearch.backends.db.DBSearch'
+
+    @unittest.expectedFailure
+    def test_callable_indexed_field(self):
+        super(TestDBBackend, self).test_callable_indexed_field()
diff --git a/wagtail/wagtailsearch/tests/test_elasticsearch_backend.py b/wagtail/wagtailsearch/tests/test_elasticsearch_backend.py
new file mode 100644
index 000000000..c2623fd54
--- /dev/null
+++ b/wagtail/wagtailsearch/tests/test_elasticsearch_backend.py
@@ -0,0 +1,18 @@
+from wagtail.tests.utils import unittest
+
+from django.test import TestCase
+
+from .test_backends import BackendTests
+
+
+class TestElasticSearchBackend(BackendTests, TestCase):
+    backend_path = 'wagtail.wagtailsearch.backends.elasticsearch.ElasticSearch'
+
+    def test_search_with_spaces_only(self):
+        # Search for some space characters and hope it doesn't crash
+        results = self.backend.search("   ", models.SearchTest)
+
+        # Queries are lazily evaluated, force it to run
+        list(results)
+
+        # Didn't crash, yay!