it("dependency without the sourceOrder attribute must keep their original index in the array", () => {
    const deps = [
	    // HarmonyImportSpecifierDependency
	    { name: "b", sourceOrder: 10 },
	    // CommonJSRequireDependency
	    { name: "a" },
	    // CommonJSRequireDependency
	    { name: "d" },
	    // HarmonyImportSpecifierDependency
	    { name: "c", sourceOrder: 5 }
    ];
    
    sortWithSourceOrder(deps, dependencySourceOrderMap);

+   expect(deps.map(d => d.name)).toEqual(["c", "a", "d", "b"]); // ✅
-   expect(deps.map(d => d.name)).toEqual(["c", "b", "a", "d"]); // ❌
});