diff --git a/modules/airgridRtdProvider.js b/modules/airgridRtdProvider.js
index 8d212204da8..f5403cca3eb 100644
--- a/modules/airgridRtdProvider.js
+++ b/modules/airgridRtdProvider.js
@@ -33,7 +33,7 @@ export function attachScriptTagToDOM(rtdConfig) {
     edktInitializor.load = function(e) {
       var p = e || 'sdk';
       var n = document.createElement('script');
-      n.type = 'text/javascript';
+      n.type = 'module';
       n.async = true;
       n.src = 'https://cdn.edkt.io/' + p + '/edgekit.min.js';
       document.getElementsByTagName('head')[0].appendChild(n);
diff --git a/modules/betweenBidAdapter.js b/modules/betweenBidAdapter.js
index 09c8678d1ff..b2f63488e12 100644
--- a/modules/betweenBidAdapter.js
+++ b/modules/betweenBidAdapter.js
@@ -6,6 +6,7 @@ const BIDDER_CODE = 'between';
 let ENDPOINT = 'https://ads.betweendigital.com/adjson?t=prebid';
 const CODE_TYPES = ['inpage', 'preroll', 'midroll', 'postroll'];
 
+const includes = require('core-js-pure/features/array/includes.js');
 export const spec = {
   code: BIDDER_CODE,
   aliases: ['btw'],
@@ -53,7 +54,7 @@ export const spec = {
         params.mind = video.mind;
         params.pos = 'atf';
         ENDPOINT += '&jst=pvc';
-        params.codeType = CODE_TYPES.includes(video.codeType) ? video.codeType : 'inpage';
+        params.codeType = includes(CODE_TYPES, video.codeType) ? video.codeType : 'inpage';
       }
 
       if (i.params.itu !== undefined) {
diff --git a/test/spec/unit/core/adapterManager_spec.js b/test/spec/unit/core/adapterManager_spec.js
index 75fd74748a0..30aa30c52e9 100644
--- a/test/spec/unit/core/adapterManager_spec.js
+++ b/test/spec/unit/core/adapterManager_spec.js
@@ -456,7 +456,8 @@ describe('adapterManager tests', function () {
     });
 
     it('should call spec\'s onBidderError callback when callBidderError is called', function () {
-      const bidderRequest = getBidRequests().find(bidRequest => bidRequest.bidderCode === bidder);
+      const bidRequests = getBidRequests();
+      const bidderRequest = find(bidRequests, bidRequest => bidRequest.bidderCode === bidder);
       const xhrErrorMock = {
         status: 500,
         statusText: 'Internal Server Error'