(#8655) - remove deprecated usage

Co-authored-by: Steven John Lange <s.lange@hz-deutschland.de>

Author: SourceR85

tests/integration/utils.js

@@ -259,7 +259,7 @@ testUtils.generateReplicationId = pouchUtils.generateReplicationId;
 testUtils.makeBlob = function (data, type) {
   if (testUtils.isNode()) {
     // "global.Buffer" is to avoid Browserify pulling this in
-    return new global.Buffer(data, 'binary');
+    return global.Buffer.from(data, 'binary');
   } else {
     return pouchUtils.blob([data], {
       type: (type || 'text/plain')