@Test
    void require_that_bundle_version_is_added_to_manifest() {
        String bundleVersion = mainAttributes.getValue("Bundle-Version");

        // Because of snapshot builds, we can only verify the major version.
        int majorBundleVersion = Integer.valueOf(bundleVersion.substring(0, bundleVersion.indexOf('.')));
        assertEquals(VespaVersion.major, majorBundleVersion);
    }
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