install openID variable

chatState_test.go

 	}
 
 	//save
-	n, err := setCurrentState("id", procedure, s)
+	n, err := setCurrentState(openID, procedure, s)
 	AssertEqual(t, err, nil, "save state should be successful")
 
 	//read out
-	m, _ := getCurrentState("id", procedure)
+	m, _ := getCurrentState(openID, procedure)
 
 	//compare
 	AssertEqual(t, m.Name, n.Name, "Name should be equal")
 	AssertEqual(t, m.Receive.Message["rtxt"], n.Receive.Message["rtxt"], "Message[rtxt] should be equal")
 	AssertEqual(t, m.Receive.Message["ricon"], n.Receive.Message["ricon"], "Message[ricon] should be equal")
 
-	err = deleteChatState("id", procedure)
+	err = deleteChatState(openID, procedure)
 	AssertEqual(t, err, nil, "delete chatState should be good")
 
 }
 
 func TestStartProcedure(t *testing.T) {
-	s := startProcedure("id", "TestDummy")
+	openID := "id"
+	s := startProcedure(openID, "TestDummy")
 	AssertEqual(t, s != nil, true, "TestDummy should return error")
-	s = startProcedure("id", "TestEcho")
+	s = startProcedure(openID, "TestEcho")
 	AssertEqual(t, s, nil, "TestEqual should return success")
 }