@Test
public void testExplicitlyConfiguredStartLevel() throws IOException {

    instDesc.addBundleStartLevel(new BundleStartLevel("org.example.bundle1", 6, false));
    List<String> config = splitAtComma(
            subject.toOsgiBundles(bundles, instDesc.getBundleStartLevel(), defaultLevel));
    assertThat(config, hasItem("reference:file:absolute/path/to/bundle1@6"));
}