[Fix] some out-of-date unittests (#586)

* fix dist ut

* fix config & hub ut break due to mmdet faster-rcnn rename

tests/data/config/py_config/test_get_external_cfg.py

 # Copyright (c) OpenMMLab. All rights reserved.
 _base_ = [
-    'mmdet::_base_/models/faster_rcnn_r50_fpn.py',
+    'mmdet::_base_/models/faster-rcnn_r50_fpn.py',
     'mmdet::_base_/datasets/coco_detection.py',
     'mmdet::_base_/schedules/schedule_1x.py',
     'mmdet::_base_/default_runtime.py'

tests/data/config/py_config/test_get_external_cfg2.py

 # Copyright (c) OpenMMLab. All rights reserved.
-_base_ = 'mmdet::faster_rcnn/faster_rcnn_r50_fpn_1x_coco.py'
+_base_ = 'mmdet::faster_rcnn/faster-rcnn_r50_fpn_1x_coco.py'

tests/data/config/py_config/test_get_external_cfg3.py

 # Copyright (c) OpenMMLab. All rights reserved.
 _base_ = [
-    'mmdet::_base_/models/faster_rcnn_r50_fpn.py',
+    'mmdet::_base_/models/faster-rcnn_r50_fpn.py',
     'mmdet::_base_/datasets/coco_detection.py',
     'mmdet::_base_/schedules/schedule_1x.py',
     'mmdet::_base_/default_runtime.py',

tests/test_config/test_config.py

@@ -450,7 +450,7 @@ class TestConfig:
         filename = 'py_config/simple_config.py'
         filename = osp.join(self.data_path, 'config', filename)
 
-        cfg_name = 'mmdet::faster_rcnn/faster_rcnn_r50_fpn_1x_coco.py'
+        cfg_name = 'mmdet::faster_rcnn/faster-rcnn_r50_fpn_1x_coco.py'
         cfg_path, scope = Config._get_cfg_path(cfg_name, filename)
         assert scope == 'mmdet'
         osp.isfile(cfg_path)

tests/test_dist/test_dist.py

@@ -641,6 +641,7 @@ class TestDistWithNCCLBackend(MultiProcessTestCase):
                 ]
 
             data_gen = (item for item in data)
+            dist.all_reduce_params(data_gen, coalesce=coalesce, op=reduce_op)
 
             if reduce_op == 'sum':
                 expected = (

tests/test_hub/test_hub.py

@@ -47,6 +47,6 @@ def test_get_config():
 def test_get_model():
     # TODO compatible with downstream codebase.
     DefaultScope.get_instance('test_get_model', scope_name='test_scope')
-    get_model('mmdet::faster_rcnn/faster_rcnn_r50_fpn_1x_coco.py')
+    get_model('mmdet::faster_rcnn/faster-rcnn_r50_fpn_1x_coco.py')
     assert DefaultScope.get_current_instance().scope_name == 'test_scope'
     DefaultScope._instance_dict.pop('test_get_model')