@Test
	public void testMenuDataPassedMnemonicWins() {
		MenuData menuData = new MenuData(
			new String[] { "One", "Two", "&Three" }, null, null, 'h', null);
		assertEquals(menuData.getMnemonic(), 'h');
	}
Mnemonic should be 'h' based on the value that was explicitly set
Ghidra/Framework/Docking/src/test/java/docking/action/MenuDataTest.java