--- a/tests/test.py	Wed Aug 16 16:28:42 2023 +0200
+++ b/tests/test.py	Wed Aug 16 17:04:14 2023 +0200
@@ -2418,7 +2418,7 @@
             cfg.getvar,
             u("intl.cache"))
 
-    def test_global_filter_wrong_syntax(self):
+    def test_nested_filter_wrong_syntax(self):
         cfg = configmix.load()
         try:
             y = getattr(cfg, self.interpolate_meth)(u"{{|{{not-existing}}|None}}")
@@ -2427,22 +2427,22 @@
         else:
             self.fail("`ValueError' should have been raised")
 
-    def test_global_filter_None(self):
+    def test_nested_filter_None(self):
         cfg = configmix.load()
         y = getattr(cfg, self.interpolate_meth)(u"{{|{{not-existing}}|None|}}")
         self.assertTrue(y is None)
 
-    def test_global_filter_empty(self):
+    def test_nested_filter_empty(self):
         cfg = configmix.load()
         y = getattr(cfg, self.interpolate_meth)(u"{{|{{not-existing}}|Empty|}}")
         self.assertEqual(u(""), y)
 
-    def test_global_nested_filter_empty(self):
+    def test_nested_nested_filter_empty(self):
         cfg = configmix.load()
         y = getattr(cfg, self.interpolate_meth)(u"{{|pre-{{not-existing|Empty}}-post|upper|}}")
         self.assertEqual(u("PRE--POST"), y)
 
-    def test_global_filter_upper(self):
+    def test_nested_filter_upper(self):
         cfg1 = {
             u("key-1"): u("Value for key-1")
         }
@@ -2450,7 +2450,7 @@
         y = getattr(cfg, self.interpolate_meth)(u"{{|pre_{{key-1}}_post|upper|}}")
         self.assertEqual(u("PRE_VALUE FOR KEY-1_POST"), y)
 
-    def test_global_filter_normpath(self):
+    def test_nested_filter_normpath(self):
         cfg1 = {
             u("path1"): u("a\\b\\c"),
             u("path2"): u("{{|{{path1}}/../d|normpath|}}")