private void assertAllEdgesHovered() {
		Collection<TestEdge> edges = graph.getEdges();
		TestEdge[] asArray = edges.toArray(new TestEdge[edges.size()]);
		assertHovered(asArray);
	}
Returns the vertex for the given ID, creating it if it does not yet exist.

@param id the vertex id
@return the vertex
Ghidra/Framework/Graph/src/test.slow/java/ghidra/graph/viewer/edge/VisualGraphPathHighlighterTest.java