Move compiler tests to the compilers package.

Author: jaraco

distutils/tests/test_ccompiler.py renamed to distutils/compilers/C/tests/test_base.py

@@ -6,14 +6,13 @@
 from distutils import sysconfig
 from distutils.compat import consolidate_linker_args
 from distutils.errors import DistutilsPlatformError
+from distutils.tests import support
+from distutils.tests.compat.py39 import EnvironmentVarGuard
 from distutils.unixccompiler import UnixCCompiler
 from distutils.util import _clear_cached_macosx_ver
 
 import pytest
 
-from . import support
-from .compat.py39 import EnvironmentVarGuard
-
 
 @pytest.fixture(autouse=True)
 def save_values(monkeypatch):