@BeforeEach
    public void setup() {
        try {
            File componentJar = findBundleJar("main");
            jarFile = new JarFile(componentJar);
            Manifest manifest = jarFile.getManifest();
            mainAttributes = manifest.getMainAttributes();
        } catch (IOException e) {
            throw new RuntimeException(e);
        }
    }
Verifies the bundle jar file built and its manifest.

@author Tony Vaagenes
bundle-plugin-test/integration-test/src/test/java/com/yahoo/container/plugin/BundleTest.java