[step] Remove config indirection.

recipe_engine/unittests/stream_logdog_test.py

Index: recipe_engine/unittests/stream_logdog_test.py
diff --git a/recipe_engine/unittests/stream_logdog_test.py b/recipe_engine/unittests/stream_logdog_test.py
index c3ae82237aa7414b6fe3c014dc7f8d4d4044e249..3a4e118b490c93c20972e8edf47e8c73fc1d080d 100755
--- a/recipe_engine/unittests/stream_logdog_test.py
+++ b/recipe_engine/unittests/stream_logdog_test.py
@@ -662,20 +662,20 @@ class StreamEngineTest(unittest.TestCase):
       # parent."child 1"
       with self._step_stream(se,
           name='child 1',
-          step_nest_level=1) as step:
+          nest_level=1) as step:
         step.write_line('I am child #1.')
 
       # parent."child 1"."grandchild"
       with self._step_stream(se,
           name='grandchild',
-          step_nest_level=2) as step:
+          nest_level=2) as step:
         step.write_line("I am child #1's child.")
 
       # parent."child 2". Mark this child as failed. This should not propagate
       # to the parent, since it has an explicit status.
       with self._step_stream(se,
           name='child 2',
-          step_nest_level=1) as step:
+          nest_level=1) as step:
         step.write_line('I am child #2.')
 
       # parent."child 2". Mark this child as failed. This should not propagate
@@ -971,7 +971,7 @@ class AnnotationStateTest(unittest.TestCase):
     # Child step.
     self.astate.create_step(recipe_api.StepConfig.create(
       name='first child',
-      step_nest_level=1))
+      nest_level=1))
     self.assertEqual(len(base.substep), 1)
     self.assertEqual(len(base.substep[0].step.substep), 1)
     self.assertEqual(base.substep[0].step.substep[0].step.name, 'first child')