refactor: prune test-only seams and obsolete helpers (#10275)

src/domain/javascript/javascriptStaticAnalysisInvocationIteration.test.ts

@@ -8,7 +8,7 @@ import { expect, it } from "vitest";
 import {
   analyzeJavaScriptStaticSource,
   analyzeParsedJavaScriptStaticSource,
-} from "./javascriptStaticAnalysis.js";
+} from "../../../tests/fixtures/javascriptStaticAnalysis.js";
 import { parseJavaScriptSource } from "./javascriptSourceParser.js";
 
 const changedIterator =