simplify internal plugin dispatching code, rename parts of the py._com plugin helpers

--HG--
branch : 1.0.x

py/test/testing/test_collect.py

@@ -145,7 +145,7 @@ class TestCollectFS:
         names = [x.name for x in col.collect()]
         assert names == ["dir1", "dir2", "test_one.py", "test_two.py", "x"]
 
-class TestCollectPluginHooks:
+class TestCollectPluginHookRelay:
     def test_pytest_collect_file(self, testdir):
         tmpdir = testdir.tmpdir
         wascalled = []

py/test/testing/test_pluginmanager.py

@@ -222,10 +222,6 @@ class TestPytestPluginInteractions:
         config.pluginmanager.register(A())
         assert len(l) == 2
 
-    def test_MultiCall(self):
-        pp = PluginManager()
-        assert hasattr(pp, 'MultiCall')
-
     # lower level API
 
     def test_listattr(self):