test: create universal tests and rewrite nodes to have optional parameters for more code coverage

ref: N25B-362

src/pages/VisProgPage/visualProgrammingUI/NodeRegistry.ts

@@ -59,7 +59,7 @@ export const NodeConnects = {
   phase: PhaseConnects,
   norm: NormConnects,
   goal: GoalConnects,
-  trigger: TriggerConnects,
+  trigger: TriggerConnects, 
 }
 
 /**
@@ -69,6 +69,7 @@ export const NodeConnects = {
 export const NodeDeletes = {
   start: () => false,
   end: () => false,
+  test: () => false, // Used for coverage of universal/ undefined nodes
 }
 
 /**
@@ -79,4 +80,5 @@ export const NodesInPhase = {
   start: () => false,
   end: () => false,
   phase: () => false,
+  test: () => false, // Used for coverage of universal/ undefined nodes
 }