private String getPreviewText() {
		AtomicReference<String> ref = new AtomicReference<>();
		runSwing(() -> ref.set(provider.getPreviewText()));
		return ref.get();
	}
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