Refactor, tests passing.

src/_pytest/logging.py

@@ -572,11 +572,7 @@ class _LiveLoggingStreamHandler(logging.StreamHandler):
             self._test_outcome_written = False
 
     def emit(self, record):
-        if self.capture_manager is not None:
-            ctx_manager = self.capture_manager.disabled()
-        else:
-            ctx_manager = _dummy_context_manager()
-
+        ctx_manager = self.capture_manager.disabled() if self.capture_manager else _dummy_context_manager()
         with ctx_manager:
             if not self._first_record_emitted:
                 self.stream.write("\n")