private FunctionDefinition getFunctionDefinition(String name) {
		ProgramDataTypeManager dataTypeManager = program.getDataTypeManager();
		DataType dataType = dataTypeManager.getDataType("/" + name);
		assertTrue(dataType instanceof FunctionDefinition);
		return (FunctionDefinition) dataType;
	}
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