protected void verifyDefaultColor(FGVertex... vertices) {
		for (FGVertex v : vertices) {
			Color defaultBackgroundColor = v.getDefaultBackgroundColor();
			Color currentBackgroundColor = v.getBackgroundColor();
			assertEquals("Color of vertex is not as expected - vertex: " + v,
				defaultBackgroundColor, currentBackgroundColor);
		}
	}
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