Don't show documents with 0 duplicates in the duplicated document list.

Also clean up the duplicated document model after a document is deleted.
Fix queue name typo.

Signed-off-by: Roberto Rosario <roberto.rosario.gonzalez@gmail.com>

mayan/apps/documents/tests/base.py

@@ -2,9 +2,12 @@
 
 from __future__ import unicode_literals
 
+import os
+
+from django.conf import settings
 from django.test import override_settings
 
-from common.tests import GenericViewTestCase
+from common.tests import BaseTestCase, GenericViewTestCase
 
 from ..models import DocumentType
 
@@ -14,21 +17,53 @@ from .literals import (
 )
 
 
+@override_settings(OCR_AUTO_OCR=False)
+class GenericDocumentTestCase(BaseTestCase):
+    test_document_filename = TEST_SMALL_DOCUMENT_FILENAME
+
+    def upload_document(self):
+        with open(self.test_document_path) as file_object:
+            document = self.document_type.new_document(
+                file_object=file_object, label=self.test_document_filename
+            )
+        return document
+
+    def setUp(self):
+        super(GenericDocumentTestCase, self).setUp()
+        self.test_document_path = os.path.join(
+            settings.BASE_DIR, 'apps', 'documents', 'tests', 'contrib',
+            'sample_documents', self.test_document_filename
+        )
+
+        self.document_type = DocumentType.objects.create(
+            label=TEST_DOCUMENT_TYPE_LABEL
+        )
+
+        self.document = self.upload_document()
+
+    def tearDown(self):
+        self.document_type.delete()
+        super(GenericDocumentTestCase, self).tearDown()
+
+
 @override_settings(OCR_AUTO_OCR=False)
 class GenericDocumentViewTestCase(GenericViewTestCase):
     test_document_filename = TEST_SMALL_DOCUMENT_FILENAME
     test_document_path = TEST_SMALL_DOCUMENT_PATH
 
+    def upload_document(self):
+        with open(self.test_document_path) as file_object:
+            document = self.document_type.new_document(
+                file_object=file_object, label=self.test_document_filename
+            )
+        return document
+
     def setUp(self):
         super(GenericDocumentViewTestCase, self).setUp()
         self.document_type = DocumentType.objects.create(
             label=TEST_DOCUMENT_TYPE_LABEL
         )
-
-        with open(self.test_document_path) as file_object:
-            self.document = self.document_type.new_document(
-                file_object=file_object, label=self.test_document_filename
-            )
+        self.document = self.upload_document()
 
     def tearDown(self):
         if self.document_type.pk: