run blob tx system tests

and skip system tests that use blob indexer

.github/workflows/tests.yaml

@@ -14,7 +14,7 @@ on:
 env:
   SO_VERSION: roysc/fetch-from-insecure-registry
   FIXTURENET_ETH_STACKS_REF: roysc/set-validator-creds
-  SYSTEM_TESTS_REF: roysc/test-withdrawals
+  SYSTEM_TESTS_REF: roysc/test-blob-tx
 
 jobs:
   test:
@@ -106,7 +106,7 @@ jobs:
         run: |
           pip install pytest
           pip install -r requirements.txt
-          pytest -vv
+          pytest -vv -m "not blob_data"
 
       - name: Run testnet stack without statediff
         env: