Add more autotest

src/ksieveui/autocreatescripts/autotests/data/test-comment7-ref.siv

+if header :is "X-Spam-Flag" "YES" {
+    stop; #---- this stops further processing; 
+}
+

src/ksieveui/autocreatescripts/autotests/data/test-comment7.siv

+if header :is "X-Spam-Flag" "YES" {
+    stop; #---- this stops further processing; 
+}
+

src/ksieveui/autocreatescripts/autotests/sieveeditorgraphicalmodewidgettest.cpp

@@ -206,6 +206,7 @@ void SieveEditorGraphicalModeWidgetTest::shouldLoadScripts_data()
 
     QTest::newRow("test-comment5") << QStringLiteral("test-comment5") << false << true;
     QTest::newRow("test-comment6") << QStringLiteral("test-comment6") << false << true;
+    QTest::newRow("test-comment7") << QStringLiteral("test-comment7") << false << true;
 }
 
 QTEST_MAIN(SieveEditorGraphicalModeWidgetTest)

src/ksieveui/autocreatescripts/sieveactionwidgetlister.cpp

@@ -384,6 +384,8 @@ void SieveActionWidgetLister::loadScript(const QDomElement &element, bool onlyAc
                 } else {
                     qCDebug(LIBKSIEVE_LOG) << " SieveActionWidgetLister::loadScript don't have name attribute " << tagName;
                 }
+            } else {
+                qCDebug(LIBKSIEVE_LOG) << " SieveActionWidgetLister::loadScript Unknow tag name " << tagName;
             }
         }
     } else {