@AuraEnabled
public static Map<String, String> getHelpText() {
    String helpText1 = Test_Object__c.Test_Field1__c.getDescribe().getInlineHelpText();
    String helpText2 = Test_Object__c.Test_Field2__c.getDescribe().getInlineHelpText();
    return Map<String, String> { 'Test_Field1__c'=>helpText1, 'Test_Field2__c'=>helpText2 };
}