=================================== FAILURES ===================================
____________________ test_boxed_value_type_mutation_result _____________________

    def test_boxed_value_type_mutation_result():
        """Test behavior of boxed value types."""
    
        # This test actually exists mostly as documentation of an important
        # concern when dealing with value types. Python does not have any
        # value type semantics that can be mapped to the CLR, so it is easy
        # to accidentally write code like the following which is not really
        # mutating value types in-place but changing boxed copies.
    
>       from System.Drawing import Point
E       ImportError: No module named Drawing

src/tests/test_array.py:1146: ImportError
_____________________________ test_basic_subclass ______________________________

    def test_basic_subclass():
        """Test basic subclass of a managed class."""
>       from System.Collections import Hashtable
E       ImportError: cannot import name Hashtable

src/tests/test_class.py:64: ImportError
___________________________ test_struct_construction ___________________________

    def test_struct_construction():
        """Test construction of structs."""
>       from System.Drawing import Point
E       ImportError: No module named Drawing

src/tests/test_class.py:121: ImportError
____________________________ test_override_get_item ____________________________

    def test_override_get_item():
        """Test managed subclass overriding __getitem__."""
>       from System.Collections import Hashtable
E       ImportError: cannot import name Hashtable

src/tests/test_class.py:172: ImportError
____________________________ test_override_set_item ____________________________

    def test_override_set_item():
        """Test managed subclass overriding __setitem__."""
>       from System.Collections import Hashtable
E       ImportError: cannot import name Hashtable

src/tests/test_class.py:193: ImportError
______________________ test_set_and_get_property_from_py _______________________

    def test_set_and_get_property_from_py():
        """Test setting and getting clr-accessible properties from python."""
>       t = ExampleClrClass()
E       TypeError: no constructor matches given arguments

src/tests/test_clrmethod.py:30: TypeError
______________________ test_set_and_get_property_from_clr ______________________

    def test_set_and_get_property_from_clr():
        """Test setting and getting clr-accessible properties from the clr."""
>       t = ExampleClrClass()
E       TypeError: no constructor matches given arguments

src/tests/test_clrmethod.py:39: TypeError
__________________ test_set_and_get_property_from_clr_and_py ___________________

    def test_set_and_get_property_from_clr_and_py():
        """Test setting and getting clr-accessible properties alternatingly from the clr and from python."""
>       t = ExampleClrClass()
E       TypeError: no constructor matches given arguments

src/tests/test_clrmethod.py:49: TypeError
________________________ test_method_invocation_from_py ________________________

    def test_method_invocation_from_py():
        """Test calling a clr-accessible method from python."""
>       t = ExampleClrClass()
E       TypeError: no constructor matches given arguments

src/tests/test_clrmethod.py:67: TypeError
_______________________ test_method_invocation_from_clr ________________________

    def test_method_invocation_from_clr():
        """Test calling a clr-accessible method from the clr."""
>       t = ExampleClrClass()
E       TypeError: no constructor matches given arguments

src/tests/test_clrmethod.py:72: TypeError
_________________________ test_dotted_name_import_from _________________________

    def test_dotted_name_import_from():
        """Test dotted-name 'import from'."""
>       from CLR.System import Xml
E       ImportError: cannot import name Xml

src/tests/test_compat.py:115: ImportError
___________________ test_dotted_name_import_from_with_alias ____________________

    def test_dotted_name_import_from_with_alias():
        """Test dotted-name 'import from' with aliasing."""
>       from CLR.System import Xml as myXml
E       ImportError: cannot import name Xml

src/tests/test_compat.py:134: ImportError
_________________________ test_from_module_import_star _________________________

    def test_from_module_import_star():
        """Test from module import * behavior."""
        count = len(locals().keys())
>       m = __import__('CLR.System.Management', globals(), locals(), ['*'])
E       ImportError: No module named Management

src/tests/test_compat.py:154: ImportError
_________________________ test_explicit_assembly_load __________________________

    def test_explicit_assembly_load():
        """Test explicit assembly loading using standard CLR tools."""
        from CLR.System.Reflection import Assembly
        from CLR import System
        import sys
    
        assembly = Assembly.LoadWithPartialName('System.Data')
        assert assembly is not None
    
>       import CLR.System.Data
E       ImportError: No module named Data

src/tests/test_compat.py:176: ImportError
_____________________________ test_module_get_attr _____________________________

    def test_module_get_attr():
        """Test module getattr behavior."""
        import CLR.System as System
    
        int_type = System.Int32
        assert is_clr_class(int_type)
    
>       module = System.Xml
E       AttributeError: Xml

src/tests/test_compat.py:228: AttributeError
___________________________ test_interface_property ____________________________

    def test_interface_property():
        """Test properties of interfaces. Added after a bug report
           that an IsAbstract check was inappropriate and prevented
           use of properties when only the interface is known."""
>       from System.Collections import Hashtable, ICollection
E       ImportError: cannot import name Hashtable

src/tests/test_property.py:144: ImportError