[feat] fix func name & ci; add comments;

tests/test_pipeline/test_schedule/test_zerobubble_pp.py

@@ -36,8 +36,8 @@ def get_model_numel(model: torch.nn.Module) -> Tuple[int, int]:
     return num_params, num_params_trainable
 
 
-# Test iter input & multiple microbatch
-def test_run_fwd_bwd_iter_input(
+# Test manual v_schedule with multiple microbatch
+def run_fwd_bwd_iter_input(
     rank: int,
     world_size: int,
     port: int,
@@ -474,8 +474,8 @@ def test_run_fwd_bwd_iter_input(
         assert_close(local_chunk[1].weight.grad, model_base.layers[4].weight.grad)
 
 
-# T
-def test_run_fwd_bwd_with_vschedule(
+# Test v_schedule generated by graph with multiple microbatch
+def run_fwd_bwd_with_vschedule(
     rank: int,
     world_size: int,
     port: int,
@@ -623,7 +623,7 @@ def test_run_fwd_bwd_with_vschedule(
 @rerun_if_address_is_in_use()
 def test_pp(num_microbatch: int, batch_size: int, num_model_chunk: int):
     spawn(
-        test_run_fwd_bwd_with_vschedule,
+        run_fwd_bwd_with_vschedule,
         nprocs=4,
         num_microbatch=num_microbatch,
         batch_size=batch_size,