switch tests back to local script file

Author: Daniel Jih

test/browser/amplitudejs.html

@@ -6,7 +6,7 @@
       var as = document.createElement('script');
       as.type = 'text/javascript';
       as.async = true;
-      as.src = 'https://d24n15hnbwhuhn.cloudfront.net/libs/amplitude-3.4.0-min.gz.js';
+      as.src = '/amplitude.js';
       as.onload = function() {if(window.amplitude.runQueuedFunctions) {window.amplitude.runQueuedFunctions();} else {console.log('[Amplitude] Error: could not load SDK');}};
       var s = document.getElementsByTagName('script')[0];
       s.parentNode.insertBefore(as, s);

test/browser/amplitudejs2.html

@@ -6,7 +6,7 @@
       var as = document.createElement('script');
       as.type = 'text/javascript';
       as.async = true;
-      as.src = 'https://d24n15hnbwhuhn.cloudfront.net/libs/amplitude-3.4.0-min.gz.js';
+      as.src = '/amplitude.js';
       as.onload = function() {if(window.amplitude.runQueuedFunctions) {window.amplitude.runQueuedFunctions();} else {console.log('[Amplitude] Error: could not load SDK');}};
       var s = document.getElementsByTagName('script')[0];
       s.parentNode.insertBefore(as, s);