Fixed test request URL in Test Center script

test-center/TestCenter_1.ps1

         },
         "testRequest": {
           "requestMethod": "GET",
-          "testRequestUrl": "https://{{userId}}tflab.akaudevops.com"
+          "testRequestUrl": "https://{{userId}}mastertflab.akaudevops.com"
         }
       },
       {
           },
           "testRequest": {
             "requestMethod": "GET",
-            "testRequestUrl": "https://{{userId}}tflab.akaudevops.com"
+            "testRequestUrl": "https://{{userId}}mastertflab.akaudevops.com"
           } 
       },
       {
           },
           "testRequest": {
             "requestMethod": "GET",
-            "testRequestUrl": "https://{{userId}}tflab.akaudevops.com/assets/public/images/JuiceShop_Logo.png"
+            "testRequestUrl": "https://{{userId}}mastertflab.akaudevops.com/assets/public/images/JuiceShop_Logo.png"
           } 
       },
       {
         },
         "testRequest": {
           "requestMethod": "GET",
-          "testRequestUrl": "https://{{userId}}tflab-test.akaudevops.com"
+          "testRequestUrl": "https://{{userId}}mastertflab-test.akaudevops.com"
         }
       },
       {
           },
           "testRequest": {
             "requestMethod": "GET",
-            "testRequestUrl": "https://{{userId}}tflab-test.akaudevops.com"
+            "testRequestUrl": "https://{{userId}}mastertflab-test.akaudevops.com"
           }    
       },
       {
           },
           "testRequest": {
             "requestMethod": "GET",
-            "testRequestUrl": "https://{{userId}}tflab-test.akaudevops.com/style.css"
+            "testRequestUrl": "https://{{userId}}mastertflab-test.akaudevops.com/style.css"
           }    
       },
       {
           },
           
             "testRequest": {
-              "testRequestUrl": "https://{{userId}}tflab.akaudevops.com/?pasword='OR%201=1",
+              "testRequestUrl": "https://{{userId}}mastertflab.akaudevops.com/?pasword='OR%201=1",
               "requestMethod": "GET"
             }
       },
           },
           
             "testRequest": {
-              "testRequestUrl": "https://{{userId}}tflab.akaudevops.com/",
+              "testRequestUrl": "https://{{userId}}mastertflab.akaudevops.com/",
               "requestMethod": "GET",
               "requestHeaders": [
                 {
           },
           
             "testRequest": {
-              "testRequestUrl": "https://{{userId}}tflab.akaudevops.com/rest/user/login",
+              "testRequestUrl": "https://{{userId}}mastertflab.akaudevops.com/rest/user/login",
               "requestMethod": "POST"
             }  
       },
           },
           
             "testRequest": {
-              "testRequestUrl": "https://{{userId}}tflab.akaudevops.com/",
+              "testRequestUrl": "https://{{userId}}mastertflab.akaudevops.com/",
               "requestMethod": "GET",
               "requestHeaders": [
                 {
           },
           
             "testRequest": {
-              "testRequestUrl": "https://{{userId}}tflab.akaudevops.com/",
+              "testRequestUrl": "https://{{userId}}mastertflab.akaudevops.com/",
               "requestMethod": "GET",
               "requestHeaders": [
                 {