assertTrue("ClassInJar1.class != null", ClassInJar1 != null);
assertTrue("ClassInJar1.class is a leaf", ClassInJar1.isLeaf());
VirtualFile metaInf = war.findChild("META-INF/MANIFEST.MF");
assertTrue("META-INF/MANIFEST.MF != null", metaInf != null);
InputStream mfIS = metaInf.toURL().openStream();
assertTrue("META-INF/MANIFEST.MF.openStream != null", mfIS != null);
Manifest mf = new Manifest(mfIS);
Attributes mainAttrs = mf.getMainAttributes();
String version = mainAttrs.getValue(Attributes.Name.SPECIFICATION_VERSION);
assertEquals("1.0.0.GA", version);