Bug 123424 browsing perspective does not show some packages in hierarchical mode
org.eclipse.jdt.ui.tests/ui/org/eclipse/jdt/ui/tests/browsing/PackagesViewContentProviderTests.java
fEnableAutoBuildAfterTesting= workspaceDesc.isAutoBuilding();
		if (fEnableAutoBuildAfterTesting)
			JavaProjectHelper.setAutoBuilding(false);
		
		fJProject1= JavaProjectHelper.createJavaProject("TestProject1", "bin");
		fJProject2= JavaProjectHelper.createJavaProject("TestProject2", "bin");
		
		assertNotNull("project1 null", fJProject1);
		assertNotNull("project2 null", fJProject2);
		
		
		
		
		IPackageFragmentRoot jdk= JavaProjectHelper.addVariableRTJar(fJProject1, "JRE_LIB_TEST", null, null);
		assertTrue("jdk not found", jdk != null);
		
		
		java.io.File junitSrcArchive= JavaTestPlugin.getDefault().getFileInPlugin(JavaProjectHelper.JUNIT_SRC_381);		
		
		assertTrue("junit src not found", junitSrcArchive != null && junitSrcArchive.exists());
		fArchiveFragmentRoot= JavaProjectHelper.addSourceContainerWithImport(fJProject1, "src", junitSrcArchive, JavaProjectHelper.JUNIT_SRC_ENCODING);
		
		fPackJunit= fArchiveFragmentRoot.getPackageFragment("junit");
		fPackJunitSamples= fArchiveFragmentRoot.getPackageFragment("junit.samples");
		fPackJunitSamplesMoney= fArchiveFragmentRoot.getPackageFragment("junit.samples.money");
		
		assertNotNull("creating fPackJunit", fPackJunit);
		assertNotNull("creating fPackJunitSamples", fPackJunitSamples);
		assertNotNull("creating fPackJunitSamplesMoney",fPackJunitSamplesMoney);