protected Set<FGVertex> selectVertices(FunctionGraph functionGraph, String... addressString) {

		Set<FGVertex> vertices = new HashSet<>();
		for (String string : addressString) {
			Address vertexAddress = getAddress(string);
			FGVertex vertex = functionGraph.getVertexForAddress(vertexAddress);
			assertNotNull("No vertex for address: " + vertexAddress, vertex);
			vertices.add(vertex);
		}

		pickVertices(vertices);

		waitForSwing();
		return vertices;
	}
Finds an edge that represents the given edge, which may no longer exist with
the same (==) edge instances.
Ghidra/Features/FunctionGraph/src/test.slow/java/ghidra/app/plugin/core/functiongraph/AbstractFunctionGraphTest.java