public static Language getZ80_LANGUAGE() {
		if (Z80_LANGUAGE == null) {
			try {
				Z80_LANGUAGE =
					getLanguageService().getDefaultLanguage(TestProcessorConstants.PROCESSOR_Z80);
			}
			catch (LanguageNotFoundException e) {
				// don't care
			}
		}
		return Z80_LANGUAGE;
	}
Get language service used for testing.

@return language service.
Ghidra/Features/Base/src/main/java/ghidra/test/AbstractGhidraHeadlessIntegrationTest.java