fix: set default language for file working and url code hinting flakey tests

Author: abose

src/editor/EditorStatusBar.js

@@ -491,7 +491,7 @@ define(function (require, exports, module) {
                 fullPath = document.file.fullPath;
 
             var fileType = (document.file instanceof InMemoryFile) ? "newFile" : "existingFile",
-                filelanguageName = lang ? lang._name : "";
+                filelanguageName = lang ? lang._name||"" : "";
 
             Metrics.countEvent(
                 Metrics.EVENT_TYPE.EDITOR,

src/extensions/default/UrlCodeHints/unittests.js

@@ -300,13 +300,15 @@ define(function (require, exports, module) {
                 MainViewManager._edit(MainViewManager.ACTIVE_PANE, testDocument);
                 testEditor = EditorManager.getCurrentFullEditor();
                 testEditor.setCursorPos({ line: 22, ch: 12 });
-                CommandManager.execute(Commands.SHOW_CODE_HINTS);
 
-                let hintList = CodeHintManager._getCodeHintList();
-                await awaitsFor(function () {
+                let hintList;
+                await awaitsFor(async function () {
+                    // we have to exec command in loop as the file system scan may be ongoing and will reflect
+                    // hints as the scans get complete only. <We had an issue in slow test runners, so this>.
+                    await awaitsForDone(CommandManager.execute(Commands.SHOW_CODE_HINTS));
                     hintList = CodeHintManager._getCodeHintList();
-                    return hintList.hints.includes("/testfiles/");
-                }, "waiting for code hints to be there", 5000);
+                    return hintList && hintList.hints.includes("/testfiles/");
+                }, "waiting for code hints to be there", 5000, 100);
                 expect(hintList).toBeTruthy();
                 expect(hintList.hints).toBeTruthy();
                 expect(hintList.hints).toContain("/testfiles/");

src/language/CSSUtils.js

@@ -1905,11 +1905,12 @@ define(function (require, exports, module) {
 
     const _htmlLikeFileExts = ["htm", "html", "xhtml", "php"];
     function _isHtmlLike(editor) {
-        if (!editor) {
+        const fullPath = editor && editor.document.file.fullPath;
+        if (!editor || !LanguageManager.getLanguageForPath(fullPath)) {
             return false;
         }
-        const fullPath = editor.document.file.fullPath;
-        return (_htmlLikeFileExts.indexOf(LanguageManager.getLanguageForPath(fullPath).getId()) !== -1);
+
+        return (_htmlLikeFileExts.indexOf(LanguageManager.getLanguageForPath(fullPath).getId() || "") !== -1);
     }
 
     function _getAllSelectorsInCurrentHTMLEditor() {