chore: create table with AutoScaling in integ tests (#1098)

Author: trivikr

features/dynamodb/step_definitions/dynamodb.js

@@ -74,10 +74,7 @@ function createTable(world, callback) {
     TableName: world.tableName,
     AttributeDefinitions: [{ AttributeName: "id", AttributeType: "S" }],
     KeySchema: [{ AttributeName: "id", KeyType: "HASH" }],
-    ProvisionedThroughput: {
-      ReadCapacityUnits: 10,
-      WriteCapacityUnits: 5
-    }
+    BillingMode: "PAY_PER_REQUEST"
   };
 
   world.service.createTable(params, function (err, data) {