diff --git a/test/test_config.py b/test/test_config.py
index e091294..f6f9fdf 100644
--- a/test/test_config.py
+++ b/test/test_config.py
@@ -131,8 +131,10 @@ def test_cfgimpl_get_home_by_path():
     config.bool = False
     assert config.cfgimpl_get_home_by_path('gc.dummy')[1] == 'dummy'
     assert config.cfgimpl_get_home_by_path('dummy')[1] == 'dummy'
-    #assert config.getpaths(include_groups=False) == ['gc.name', 'gc.dummy', 'gc.float', 'bool', 'objspace', 'wantref', 'str', 'wantframework', 'int', 'boolop']
-    #assert config.getpaths(include_groups=True) == ['gc', 'gc.name', 'gc.dummy', 'gc.float', 'bool', 'objspace', 'wantref', 'str', 'wantframework', 'int', 'boolop']
+
+
+def test_not_valid_properties():
+    raises(TypeError, "stroption = StrOption('str', 'Test string option', default='abc', properties=['mandatory',])")
 
 
 def test_information_config():
@@ -142,6 +144,7 @@ def test_information_config():
     config.impl_set_information('info', string)
     assert config.impl_get_information('info') == string
     raises(ValueError, "config.impl_get_information('noinfo')")
+    assert config.impl_get_information('noinfo', 'default') == 'default'
 
 
 def test_config_impl_get_path_by_opt():
@@ -231,8 +234,8 @@ def test_duplicated_option():
     #in different OptionDescription
     raises(ConflictError, "config = Config(root)")
 
+
 def test_cannot_assign_value_to_option_description():
     descr = make_description()
     cfg = Config(descr)
     raises(TypeError, "cfg.gc = 3")
-