### Question:
Icon { public String getId() { return mId; } Icon(String id, Bitmap bitmap); String getId(); Bitmap getBitmap(); float getScale(); @NonNull byte[] toBytes(); @Override boolean equals(@Nullable Object object); @Override int hashCode();  }### Answer:
@Test public void testId() { String id = "test"; Icon icon = IconFactory.recreate(id, Bitmap.createBitmap(0, 0, Bitmap.Config.ALPHA_8)); assertEquals("id should match", id, icon.getId()); }