[Scheduler][MTP] Add support for speculative decoding in AsecendScheduler. (#943)

This PR adds support for speculative decoding in AsecendScheduler.
Also inculde part of support for disaggregated prefill, full support
will be merged in follow-up PR.

---------

Signed-off-by: whx-sjtu <2952154980@qq.com>

Author: whx-sjtu

.github/workflows/vllm_ascend_test.yaml

@@ -180,18 +180,20 @@ jobs:
         run: |
           if [[ "${{ matrix.os }}" == "linux-arm64-npu-1" ]]; then
             VLLM_USE_MODELSCOPE=True pytest -sv tests/singlecard/test_offline_inference.py
-            pytest -sv tests/singlecard/test_scheduler.py
             # guided decoding doesn't work, fix it later
             # pytest -sv tests/singlecard/test_guided_decoding.py.py
             # test_ascend_config.py should be ran separately because it will regenerate the global config many times.
             pytest -sv tests/singlecard/test_ascend_config.py
             pytest -sv tests/singlecard/test_camem.py
+            # pytest -sv tests/singlecard/core/test_ascend_scheduler.py
+            # pytest -sv tests/singlecard/core/test_ascend_scheduler_e2e.py
             pytest -sv tests/singlecard/ \
             --ignore=tests/singlecard/test_offline_inference.py \
-            --ignore=tests/singlecard/test_scheduler.py \
             --ignore=tests/singlecard/test_guided_decoding.py \
             --ignore=tests/singlecard/test_ascend_config.py \
-            --ignore=tests/singlecard/test_camem.py
+            --ignore=tests/singlecard/test_camem.py \
+            --ignore=tests/singlecard/core/test_ascend_scheduler.py \
+            --ignore=tests/singlecard/core/test_ascend_scheduler_e2e.py
           else
             pytest -sv tests/multicard/test_ilama_lora_tp2.py
             # To avoid oom, we need to run the test in a single process.
@@ -209,20 +211,21 @@ jobs:
         run: |
           if [[ "${{ matrix.os }}" == "linux-arm64-npu-1" ]]; then
             VLLM_USE_MODELSCOPE=True  pytest -sv tests/singlecard/test_offline_inference.py
-            pytest -sv tests/singlecard/test_scheduler.py
             # guided decoding doesn't work, fix it later
             # pytest -sv tests/singlecard/test_guided_decoding.py.py
             pytest -sv tests/singlecard/test_camem.py
             # test_ascend_config.py should be ran separately because it will regenerate the global config many times.
             pytest -sv tests/singlecard/test_ascend_config.py
             pytest -sv tests/singlecard/test_prompt_embedding.py
+            pytest -sv tests/singlecard/core/test_ascend_scheduler.py
             pytest -sv tests/singlecard/ \
               --ignore=tests/singlecard/test_offline_inference.py \
-              --ignore=tests/singlecard/test_scheduler.py \
               --ignore=tests/singlecard/test_guided_decoding.py \
               --ignore=tests/singlecard/test_camem.py \
               --ignore=tests/singlecard/test_ascend_config.py \
-              --ignore=tests/singlecard/test_prompt_embedding.py
+              --ignore=tests/singlecard/test_prompt_embedding.py \
+              --ignore=tests/singlecard/core/test_ascend_scheduler.py \
+              --ignore=tests/singlecard/core/test_ascend_scheduler_e2e.py
           else
             pytest -sv tests/multicard/test_ilama_lora_tp2.py
             # Fixme: run VLLM_USE_MODELSCOPE=True pytest -sv tests/multicard/test_offline_inference_distributed.py will raise error.