Make a copy of configuration being passed in - tests should now be passing

Signed-off-by: Julia Huang <julia@playground.global>

lib/bindings/http/binary_0_1.js

@@ -1,7 +1,7 @@
 var axios = require("axios");
 
 function HTTPBinary(configuration){
-  this.config = configuration;
+  this.config = JSON.parse(JSON.stringify(configuration));
 
   this.config["headers"] = {
     "Content-Type":"application/json; charset=utf-8"

lib/bindings/http/binary_0_2.js

@@ -2,7 +2,7 @@ var axios = require("axios");
 var empty = require("is-empty");
 
 function HTTPBinary(configuration){
-  this.config = configuration;
+  this.config = JSON.parse(JSON.stringify(configuration));
 
   this.config["headers"] = {
     "Content-Type":"application/json; charset=utf-8"

lib/bindings/http/structured_0_1.js

@@ -1,7 +1,7 @@
 var axios = require("axios");
 
 function HTTPStructured(configuration){
-  this.config = configuration;
+  this.config = JSON.parse(JSON.stringify(configuration));
 
   this.config["headers"] = {
     "Content-Type":"application/cloudevents+json; charset=utf-8"
@@ -13,6 +13,7 @@ HTTPStructured.prototype.emit = function(cloudevent){
   // Create new request object
   var _config = JSON.parse(JSON.stringify(this.config));
 
+
   // Set the cloudevent payload
   _config["data"] = cloudevent.format();
 

lib/bindings/http/structured_0_2.js

@@ -1,7 +1,7 @@
 var axios = require("axios");
 
 function HTTPStructured(configuration){
-  this.config = configuration;
+  this.config = JSON.parse(JSON.stringify(configuration));
 
   this.config["headers"] = {
     "Content-Type":"application/cloudevents+json; charset=utf-8"