fix test

Author: LuisSanchez25

strax/storage/s3.py

@@ -73,6 +73,11 @@ def __init__(
         #  Initialized connection to S3 storage
         self.s3 = boto3.client(**self.boto3_client_kwargs)
         self.backends = [S3Backend(self.bucket_name, **self.boto3_client_kwargs)]
+        
+        if s3_access_key_id != "":
+            self.is_configed = True
+        else:
+            self.is_configed = False
 
     def _run_meta_path(self, run_id: str) -> str:
         """Generate the metadata file path for a given run ID.

tests/test_storage.py

@@ -36,7 +36,7 @@ def test_write_data_s3(self):
         self.st.storage = [strax.S3Frontend(self.path)]
         run_id = "0"
         self.st.make(run_id, self.target)
-        if self.st.storage.s3_access_key_id != None:
+        if self.st.storage[0].is_configed != "":
             assert self.st.is_stored(run_id, self.target)
         else:
             pass