Moved yesno filter test to its file.

tests/template_tests/filter_tests/test_yesno.py

 from django.template.defaultfilters import yesno
 from django.test import SimpleTestCase
 
+from ..utils import setup
+
+
+class YesNoTests(SimpleTestCase):
+    @setup({'t': '{{ var|yesno:"yup,nup,mup" }} {{ var|yesno }}'})
+    def test_true(self):
+        output = self.engine.render_to_string('t', {'var': True})
+        self.assertEqual(output, 'yup yes')
+
 
 class FunctionTests(SimpleTestCase):
 

tests/template_tests/syntax_tests/test_filter_syntax.py

@@ -109,14 +109,6 @@ class FilterSyntaxTests(SimpleTestCase):
         output = self.engine.render_to_string('filter-syntax11', {"var": None, "var2": "happy"})
         self.assertEqual(output, 'happy')
 
-    @setup({'filter-syntax12': r'{{ var|yesno:"yup,nup,mup" }} {{ var|yesno }}'})
-    def test_filter_syntax12(self):
-        """
-        Default argument testing
-        """
-        output = self.engine.render_to_string('filter-syntax12', {"var": True})
-        self.assertEqual(output, 'yup yes')
-
     @setup({'filter-syntax13': r'1{{ var.method3 }}2'})
     def test_filter_syntax13(self):
         """