There are some failing tests simply to wrong year in the copyright header. See the conosle dump below:
Testing processing language files
FAILED: Language file: en.js
Expected: /*
Copyright (c) 2003-2015, CKSource - Frederico Knabben. All rights reserved.
For licensing, see LICENSE.md or http://ckeditor.com/license
*/
CKEDITOR.lang['en']={"uicolor":{"title":"UI Color Picker","preview":"Live preview","config":"Paste this string into your config.js file","predefined":"Predefined color sets"},"placeholder":{"title":"Placeholder Properties","toolbar":"Create Placeholder","text":"Placeholder Text","edit":"Edit Placeholder","textMissing":"The placeholder must contain text."},"devtools":{"title":"Element Information","dialogName":"Dialog window name","tabName":"Tab name","elementId":"Element ID","elementType":"Element type"},"dir":"ltr","editorTitle":"Rich text editor, %1, press ALT 0 for help.","common":{"browseServer":"Browse Server","url":"URL","protocol":"Protocol","upload":"Upload","uploadSubmit":"Send it to the Server","unavailable":"%1<span class=\"cke_accessibility\">, unavailable</span>"},"contextmenu":{"options":"Context Menu Options"},"specialChar":{"toolbar":"Insert Special Character","title":"Select Special Character","options":"Special Character Options"},"docprops":{"label":"Document Properties","title":"Document Properties","design":"Design","previewHtml":"<p>This is some <strong>sample text</strong>. You are using <a href=\"javascript:void(0)\">CKEditor</a>.</p>"}};
Actual : /*
Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
For licensing, see LICENSE.md or http://ckeditor.com/license
*/
CKEDITOR.lang['en']={"uicolor":{"title":"UI Color Picker","preview":"Live preview","config":"Paste this string into your config.js file","predefined":"Predefined color sets"},"placeholder":{"title":"Placeholder Properties","toolbar":"Create Placeholder","text":"Placeholder Text","edit":"Edit Placeholder","textMissing":"The placeholder must contain text."},"devtools":{"title":"Element Information","dialogName":"Dialog window name","tabName":"Tab name","elementId":"Element ID","elementType":"Element type"},"dir":"ltr","editorTitle":"Rich text editor, %1, press ALT 0 for help.","common":{"browseServer":"Browse Server","url":"URL","protocol":"Protocol","upload":"Upload","uploadSubmit":"Send it to the Server","unavailable":"%1<span class=\"cke_accessibility\">, unavailable</span>"},"contextmenu":{"options":"Context Menu Options"},"specialChar":{"toolbar":"Insert Special Character","title":"Select Special Character","options":"Special Character Options"},"docprops":{"label":"Document Properties","title":"Document Properties","design":"Design","previewHtml":"<p>This is some <strong>sample text</strong>. You are using <a href=\"javascript:void(0)\">CKEditor</a>.</p>"}};
FAILED: Language file: he.js
Expected: /*
Copyright (c) 2003-2015, CKSource - Frederico Knabben. All rights reserved.
For licensing, see LICENSE.md or http://ckeditor.com/license
*/
CKEDITOR.lang['he']={"uicolor":{"preview":"????? ??????","config":"???? ?? ????? ??? ???? ????? config.js","title":"UI Color Picker","predefined":"Predefined color sets"},"placeholder":{"title":"??????? ???? ????","toolbar":"??? ???? ????","text":"???? ???? ?????","edit":"???? ???? ????","textMissing":"???? ????? ???? ????? ????."},"devtools":{"title":"Element Information","dialogName":"Dialog window name","tabName":"Tab name","elementId":"Element ID","elementType":"Element type"},"dir":"rtl","editorTitle":"???? ???? ????, %1, ??? ??? (ALT) + 0 ?????.","common":{"browseServer":"???? ????","url":"????? (URL)","protocol":"????????","upload":"?????","uploadSubmit":"????? ????","unavailable":"%1<span class=\"cke_accessibility\">, ?? ????</span>"},"contextmenu":{"options":"???????? ????? ?????"},"specialChar":{"toolbar":"????? ?? ?????","title":"????? ?? ?????","options":"???????? ????? ???????"},"docprops":{"label":"??????? ????","title":"??????? ????","design":"?????","previewHtml":"<p>??? <strong>???? ?????</strong>. ??/? ?????/? ?<a href=\"javascript:void(0)\">CKEditor</a>.</p>"}};
Actual : /*
Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
For licensing, see LICENSE.md or http://ckeditor.com/license
*/
CKEDITOR.lang['he']={"uicolor":{"preview":"????? ??????","config":"???? ?? ????? ??? ???? ????? config.js","title":"UI Color Picker","predefined":"Predefined color sets"},"placeholder":{"title":"??????? ???? ????","toolbar":"??? ???? ????","text":"???? ???? ?????","edit":"???? ???? ????","textMissing":"???? ????? ???? ????? ????."},"devtools":{"title":"Element Information","dialogName":"Dialog window name","tabName":"Tab name","elementId":"Element ID","elementType":"Element type"},"dir":"rtl","editorTitle":"???? ???? ????, %1, ??? ??? (ALT) + 0 ?????.","common":{"browseServer":"???? ????","url":"????? (URL)","protocol":"????????","upload":"?????","uploadSubmit":"????? ????","unavailable":"%1<span class=\"cke_accessibility\">, ?? ????</span>"},"contextmenu":{"options":"???????? ????? ?????"},"specialChar":{"toolbar":"????? ?? ?????","title":"????? ?? ?????","options":"???????? ????? ???????"},"docprops":{"label":"??????? ????","title":"??????? ????","design":"?????","previewHtml":"<p>??? <strong>???? ?????</strong>. ??/? ?????/? ?<a href=\"javascript:void(0)\">CKEditor</a>.</p>"}};
FAILED: Language file: pl.js
Expected: /*
Copyright (c) 2003-2015, CKSource - Frederico Knabben. All rights reserved.
For licensing, see LICENSE.md or http://ckeditor.com/license
*/
CKEDITOR.lang['pl']={"uicolor":{"title":"UI Color Picker","preview":"Live preview","config":"Paste this string into your config.js file","predefined":"Predefined color sets"},"placeholder":{"title":"W?a?ciwo?ci wype?nienia","edit":"Edytuj wype?nienie","textMissing":"Wype?nienie powinno posiada? jaki? tekst.","toolbar":"Create Placeholder","text":"Placeholder Text"},"devtools":{"title":"Element Information","dialogName":"Dialog window name","tabName":"Tab name","elementId":"Element ID","elementType":"Element type"},"dir":"ltr","editorTitle":"Edytor tekstu sformatowanego, %1, w celu uzyskania pomocy naci?nij ALT 0.","common":{"browseServer":"Przegl?daj","url":"Adres URL","protocol":"Protok贸?","upload":"Wy?lij","uploadSubmit":"Wy?lij","unavailable":"%1<span class=\"cke_accessibility\">, niedost?pne</span>"},"contextmenu":{"options":"Opcje menu kontekstowego"},"specialChar":{"toolbar":"Wstaw znak specjalny","title":"Wybierz znak specjalny","options":"Opcje znak贸w specjalnych"},"docprops":{"label":"W?a?ciwo?ci dokumentu","title":"W?a?ciwo?ci dokumentu","design":"Projekt strony","previewHtml":"<p>To jest <strong>przyk?adowy tekst</strong>. Korzystasz z programu <a href=\"javascript:void(0)\">CKEditor</a>.</p>"}};
Actual : /*
Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
For licensing, see LICENSE.md or http://ckeditor.com/license
*/
CKEDITOR.lang['pl']={"uicolor":{"title":"UI Color Picker","preview":"Live preview","config":"Paste this string into your config.js file","predefined":"Predefined color sets"},"placeholder":{"title":"W?a?ciwo?ci wype?nienia","edit":"Edytuj wype?nienie","textMissing":"Wype?nienie powinno posiada? jaki? tekst.","toolbar":"Create Placeholder","text":"Placeholder Text"},"devtools":{"title":"Element Information","dialogName":"Dialog window name","tabName":"Tab name","elementId":"Element ID","elementType":"Element type"},"dir":"ltr","editorTitle":"Edytor tekstu sformatowanego, %1, w celu uzyskania pomocy naci?nij ALT 0.","common":{"browseServer":"Przegl?daj","url":"Adres URL","protocol":"Protok贸?","upload":"Wy?lij","uploadSubmit":"Wy?lij","unavailable":"%1<span class=\"cke_accessibility\">, niedost?pne</span>"},"contextmenu":{"options":"Opcje menu kontekstowego"},"specialChar":{"toolbar":"Wstaw znak specjalny","title":"Wybierz znak specjalny","options":"Opcje znak贸w specjalnych"},"docprops":{"label":"W?a?ciwo?ci dokumentu","title":"W?a?ciwo?ci dokumentu","design":"Projekt strony","previewHtml":"<p>To jest <strong>przyk?adowy tekst</strong>. Korzystasz z programu <a href=\"javascript:void(0)\">CKEditor</a>.</p>"}};
Generating sprite image