Moved the object initialization into the constructor.
Moved the object initialization into the constructor.

dgileadi/node-mocks-http,marneborn/node-mocks-http,mtimofiiv/node-mocks-http,marneborn/node-mocks-http,JohnnyEstilles/node-mocks-http,vgatto/node-mocks-http,XescuGC/node-mocks-http