chore: remove gas-safety-valve test

cic/contract/helpers.py

@@ -22,10 +22,6 @@ CONTRACTS = [
     {
         "url": "https://gitlab.com/cicnet/erc20-demurrage-token/-/raw/master/python/erc20_demurrage_token/data/DemurrageTokenSingleNocap",
         "name": "Demurrage Token Single No Cap",
-    },
-    {
-        "url":"https://gitlab.com/cicnet/erc20-demurrage-token/-/raw/lash/gas-safety-valve/python/erc20_demurrage_token/data/DemurrageTokenSingleNocap",
-        "name": "Demurrage Token Single No Cap (gas-safety-valve)",
     }
 ]
 
@@ -33,15 +29,13 @@ CONTRACTS = [
 def download_file(url: str, filename=None) -> (str, bytes):
     directory = tempfile.gettempdir()
     filename = filename if filename else url.split("/")[-1]
-    hash_object = hashlib.md5(url.encode())
-    path = os.path.join(directory, hash_object.hexdigest())
-    log.debug(f"Downloading {filename} to {path}")
-    if not os.path.exists(path):
-        log.debug(f"Downloading {filename}")
-        r = requests.get(url, allow_redirects=True)
-        with open(path, "wb") as f:
-            f.write(r.content)
-        return path
+    log.debug(f"Downloading {filename}")
+    r = requests.get(url, allow_redirects=True)
+    content_hash = hashlib.md5(r.content).hexdigest()
+    path = os.path.join(directory, content_hash)
+    with open(path, "wb") as f:
+        f.write(r.content)
+    log.debug(f"{filename} downloaded to {path}")
     return path
 
 def get_contract_args(data: list):