private FunctionComparisonProvider compareFunctions(Set<Function> functions) {
		runSwing(() -> plugin.createComparison(functions));
		waitForSwing();
		return waitForComponentProvider(FunctionComparisonProvider.class);
	}
Verifies that if we delete a function from the listing that is currently
being shown in a comparison provider, it will be removed from that
comparison provider
Ghidra/Features/CodeCompare/src/main/test/ghidra/features/codecompare/plugin/CompareFunctionsProviderTest.java