Fix backend tests

Author: hgreebe

api/PclusterApiHandler.py

@@ -63,14 +63,17 @@
 if not JWKS_URL:
     JWKS_URL = os.getenv("JWKS_URL",
                          f"https://cognito-idp.{REGION}.amazonaws.com/{USER_POOL_ID}/" ".well-known/jwks.json")
-API_BASE_URL_MAPPING = {}
 
-for url in API_BASE_URL.split(","):
-    if url:
-        pair=url.split("=")
-        API_BASE_URL_MAPPING[pair[0]] = pair[1]
 
+def create_api_base_url_mapping(base):
+    result = {}
+    for url in base.split(","):
+        if url:
+            pair=url.split("=")
+            result[pair[0]] = pair[1]
+    return result
 
+API_BASE_URL_MAPPING = create_api_base_url_mapping(API_BASE_URL)
 
 def jwt_decode(token, audience=None, access_token=None):
     return jwt.decode(