selfDefending test implementation

src/node-groups/SelfDefendingNodesGroup.ts

@@ -1,12 +1,7 @@
 import { IOptions } from "../interfaces/IOptions";
 
-import { DebugProtectionFunctionCallNode } from "../custom-nodes/debug-protection-nodes/DebugProtectionFunctionCallNode";
-import { DebugProtectionFunctionIntervalNode } from "../custom-nodes/debug-protection-nodes/DebugProtectionFunctionIntervalNode";
-import { DebugProtectionFunctionNode } from "../custom-nodes/debug-protection-nodes/DebugProtectionFunctionNode";
-
 import { NodesGroup } from './NodesGroup';
-import { Utils } from '../Utils';
-import {SelfDefendingUnicodeNode} from "../custom-nodes/self-defending-nodes/SelfDefendingUnicodeNode";
+import { SelfDefendingUnicodeNode } from "../custom-nodes/self-defending-nodes/SelfDefendingUnicodeNode";
 
 export class SelfDefendingNodesGroup extends NodesGroup {
     /**