fix(test): restore anonymous function tests in isAsyncFunction()

Signed-off-by: Jérôme Benoit <jerome.benoit@piment-noir.org>

Author: jerome-benoit

tests/utils.test.mjs

@@ -176,10 +176,10 @@ describe('Utils test suite', () => {
     expect(isAsyncFunction({})).toBe(false)
     expect(isAsyncFunction({ a: 1 })).toBe(false)
     expect(isAsyncFunction(() => {})).toBe(false)
-    expect(isAsyncFunction(() => {})).toBe(false)
+    expect(isAsyncFunction(function () {})).toBe(false)
     expect(isAsyncFunction(function named() {})).toBe(false)
     expect(isAsyncFunction(async () => {})).toBe(true)
-    expect(isAsyncFunction(async () => {})).toBe(true)
+    expect(isAsyncFunction(async function () {})).toBe(true)
     expect(isAsyncFunction(async function named() {})).toBe(true)
     class TestClass {
       testSync() {}