test: add tests for goal and triggers

src/pages/VisProgPage/visualProgrammingUI/nodes/TriggerNode.tsx

@@ -1,8 +1,6 @@
 import {
   type NodeProps,
   Position,
-  type Connection,
-  type Edge,
   type Node,
 } from '@xyflow/react';
 import { Toolbar } from '../components/NodeComponents';
@@ -40,18 +38,6 @@ export type TriggerNodeData = {
 
 export type TriggerNode = Node<TriggerNodeData>
 
-
-/**
- * Determines whether a Trigger node can connect to another node or edge.
- *
- * @param connection - The connection or edge being attempted to connect towards.
- * @returns `true` if the connection is defined; otherwise, `false`.
- * 
- */
-export function TriggerNodeCanConnect(connection: Connection | Edge): boolean {
-  return (connection != undefined);
-}
-
 /**
  * Defines how a Trigger node should be rendered
  * @param props - Node properties provided by React Flow, including `id` and `data`.