add new parameter to test initialize

Author: tristan-instacart

spec/unit/lib/temporal/grpc_client_spec.rb

@@ -3,7 +3,7 @@
 
   describe '#start_workflow_execution' do
     it 'provides the existing run_id when the workflow is already started' do
-      client = Temporal::Client::GRPCClient.new(nil, nil, nil)
+      client = Temporal::Client::GRPCClient.new(nil, nil, nil, :this_channel_is_insecure)
       allow(client).to receive(:client).and_return(grpc_stub)
       allow(grpc_stub).to receive(:start_workflow_execution).and_raise(
         GRPC::AlreadyExists,