@Before
	public void setUp() throws Exception {
		env = new TestEnv();
		tool = env.getTool();
		tool.addPlugin(CodeBrowserPlugin.class.getName());
		tool.addPlugin(NextPrevAddressPlugin.class.getName());
		tool.addPlugin(GoToAddressLabelPlugin.class.getName());
		tool.addPlugin(SearchTextPlugin.class.getName());
		cb = env.getPlugin(CodeBrowserPlugin.class);
		program = buildProgram();
		ProgramManager pm = tool.getService(ProgramManager.class);
		pm.openProgram(program.getDomainFile());

		env.showTool();
	}
Test the searcher that searches fields in the Code Browser
Ghidra/Features/Base/src/test.slow/java/ghidra/app/plugin/core/searchtext/ListingDisplaySearcherTest.java