private void removeDistractingPlugins() {

		// cleanup the display a bit
		ProgramTreePlugin ptp = env.getPlugin(ProgramTreePlugin.class);
		tool.removePlugins(List.of(ptp));
	}
Tests for managing categories through the data manager plugin and tests for
actions being enabled when a node is selected.
Ghidra/Features/Base/src/test.slow/java/ghidra/app/plugin/core/datamgr/DataTypeManagerPluginTest.java