private void assertSomeVerticesMatchFilter() {

		SampleGraph graph = provider.getGraph();
		Collection<SampleVertex> vertices = graph.getVertices();
		boolean hasMatches = vertices.stream().anyMatch(v -> Double.compare(v.getAlpha(), 1D) == 0);
		assertTrue(hasMatches);
	}
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