private void assertSomeVerticesFilteredOut() {

		SampleGraph graph = provider.getGraph();
		Collection<SampleVertex> vertices = graph.getVertices();
		boolean hasFiltered = vertices.stream().anyMatch(v -> v.getAlpha() < 1D);
		assertTrue(hasFiltered);
	}
An integration test for the {@link SampleGraphPlugin}.   These tests are really just
regression tests meant to catch if the sample plugin gets broken.  The functionality of
the plugin is barely tested.
Ghidra/Extensions/sample/src/test.slow/java/ghidra/examples/graph/SampleGraphPluginTest.java