private void setLeftFunction(Function function) {
		FunctionComparisonPanel component = provider.getComponent();
		JComboBox<?> combo = (JComboBox<?>) findComponentByName(component, "LEFTFunctionComboBox");
		runSwing(() -> combo.setSelectedItem(function));
	}
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