Fix endpoint URL

Author: simonkurtz-MSFT

samples/load-balancing/create.ipynb

@@ -134,7 +134,7 @@
     "endpoint_url = utils.test_url_preflight_check(deployment, rg_name, apim_gateway_url)\n",
     "\n",
     "# Quick test to verify load balancing API is accessible\n",
-    "reqs = ApimRequests(apim_gateway_url, apim_apis[0]['subscriptionPrimaryKey'])\n",
+    "reqs = ApimRequests(endpoint_url, apim_apis[0]['subscriptionPrimaryKey'])\n",
     "output = reqs.singleGet('/lb-prioritized', msg = 'Quick test of load balancing API')\n",
     "\n",
     "# Verify initial response from priority 1 backend\n",
@@ -152,21 +152,21 @@
     "# 2) Weighted equal distribution\n",
     "zzzs()\n",
     "utils.print_message('2/5: Starting API calls for weighted distribution (50/50)', blank_above = True)\n",
-    "reqs = ApimRequests(apim_gateway_url, apim_apis[2]['subscriptionPrimaryKey'])\n",
+    "reqs = ApimRequests(endpoint_url, apim_apis[2]['subscriptionPrimaryKey'])\n",
     "api_results_weighted_equal = reqs.multiGet('/lb-weighted-equal', runs = 15, msg='Calling weighted (equal) APIs')\n",
     "tests.verify(len(api_results_weighted_equal), 15)\n",
     "\n",
     "# 3) Weighted unequal distribution\n",
     "zzzs()\n",
     "utils.print_message('3/5: Starting API calls for weighted distribution (80/20)', blank_above = True)\n",
-    "reqs = ApimRequests(apim_gateway_url, apim_apis[3]['subscriptionPrimaryKey'])\n",
+    "reqs = ApimRequests(endpoint_url, apim_apis[3]['subscriptionPrimaryKey'])\n",
     "api_results_weighted_unequal = reqs.multiGet('/lb-weighted-unequal', runs = 15, msg = 'Calling weighted (unequal) APIs')\n",
     "tests.verify(len(api_results_weighted_unequal), 15)\n",
     "\n",
     "# 4) Prioritized and weighted distribution\n",
     "zzzs()\n",
     "utils.print_message('4/5: Starting API calls for prioritized & weighted distribution', blank_above=True)\n",
-    "reqs = ApimRequests(apim_gateway_url, apim_apis[1]['subscriptionPrimaryKey'])\n",
+    "reqs = ApimRequests(endpoint_url, apim_apis[1]['subscriptionPrimaryKey'])\n",
     "api_results_prioritized_and_weighted = reqs.multiGet('/lb-prioritized-weighted', runs=20, msg='Calling prioritized & weighted APIs')\n",
     "tests.verify(len(api_results_prioritized_and_weighted), 20)\n",
     "\n",