protected void verifyEdgeCount(int expectedCount) {
		FGData data = getFunctionGraphData();
		FunctionGraph functionGraph = data.getFunctionGraph();
		Graph<FGVertex, FGEdge> graph = functionGraph;
		int actualCount = graph.getEdgeCount();
		assertEquals("Graph has a different number of edges than expected.", expectedCount,
			actualCount);
	}
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