@Test
	public void testDataTypePreviewCopyHtmlText() throws Exception {

		openPreview();

		GTreeNode bNode = programNode.getChild("DLL_Table");
		assertNotNull(bNode);
		selectNode(bNode);

		String previewText = getPreviewText();
		assertThat(previewText, startsWith("<html>"));

		selectEntirePreview();

		boolean actionFired = copyPreviewViaKeyMapping();
		assertTrue(actionFired);
	}
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