Remove shared disable from unit testing

lib/spack/spack/test/conftest.py

@@ -38,8 +38,6 @@
 from spack.fetch_strategy import FetchError
 from spack.spec import Spec
 from spack.version import Version
-from spack.main import SpackCommand
-
 
 #
 # Disable any activate Spack environment BEFORE all tests
@@ -62,16 +60,6 @@ def clean_user_environment():
         ev.activate(active)
 
 
-#
-# Turn off Spack's shared mode if need be
-#
-@pytest.fixture(scope='session', autouse=True)
-def disable_shared():
-    if spack.config.get('config:shared'):
-        share = SpackCommand('share')
-        share('deactivate')
-
-
 # Hooks to add command line options or set other custom behaviors.
 # They must be placed here to be found by pytest. See:
 #