Fixed integration with other modules/tests

src/_pytest/debugging.py

@@ -102,7 +102,8 @@ class PdbInvoke(object):
     def pytest_exception_interact(self, node, call, report):
         capman = node.config.pluginmanager.getplugin("capturemanager")
         if capman:
-            out, err = capman.suspend_global_capture(in_=True)
+            capman.suspend_global_capture(in_=True)
+            out, err = capman.snap_global_capture()
             sys.stdout.write(out)
             sys.stdout.write(err)
         _enter_pdb(node, call.excinfo, report)

src/_pytest/setuponly.py

@@ -51,7 +51,8 @@ def _show_fixture_action(fixturedef, msg):
     config = fixturedef._fixturemanager.config
     capman = config.pluginmanager.getplugin("capturemanager")
     if capman:
-        out, err = capman.suspend_global_capture()
+        capman.suspend_global_capture()
+        out, err = capman.snap_global_capture()
 
     tw = config.get_terminal_writer()
     tw.line()