langTool1.activateDefaultFalseFriendRules();
final List<RuleMatch> matches1 = assertErrors(1, "And forDemoOnly.", langTool1);
assertEquals("DEMO_ENTRY", matches1.get(0).getRule().getId());
final JLanguageTool langTool2 = new JLanguageTool(new English(), new German());
langTool2.disableRule(MorfologikBritishSpellerRule.RULE_ID);
langTool2.activateDefaultFalseFriendRules();
final List<RuleMatch> matches2 = assertErrors(1, "And forDemoOnly.", langTool2);
assertEquals("DEMO_ENTRY", matches2.get(0).getRule().getId());
final JLanguageTool langTool3 = new JLanguageTool(new AmericanEnglish(), new German());