Remove the notification during UI tests, to fix a failing test

Author: brichet

nbgrader/tests/labextension_ui-tests/tests/test_assignment_list.spec.ts

@@ -12,7 +12,14 @@ import * as path from 'path';
 import * as os from 'os';
 import * as fs from 'fs';
 
-test.use({ tmpPath: 'nbgrader-assignment-list-test' });
+test.use({
+  tmpPath: 'nbgrader-assignment-list-test',
+  mockSettings: {
+    '@jupyterlab/apputils-extension:notification': {
+      fetchNews: 'false'
+    }
+  }
+});
 
 var exchange_dir:string;
 var cache_dir: string;

nbgrader/tests/labextension_ui-tests/tests/test_course_list.spec.ts

@@ -6,8 +6,14 @@ import * as fs from 'fs';
 import * as os from 'os';
 import * as path from 'path';
 
-
-test.use({ tmpPath: 'nbgrader-course-list-test' });
+test.use({
+  tmpPath: 'nbgrader-course-list-test',
+  mockSettings: {
+    '@jupyterlab/apputils-extension:notification': {
+      fetchNews: 'false'
+    }
+  }
+});
 
 var exchange_dir:string;
 var cache_dir: string;

nbgrader/tests/labextension_ui-tests/tests/test_create_assignement.spec.ts

@@ -4,7 +4,14 @@ import * as path from 'path';
 
 import { wait_for_error_modal, close_error_modal } from "./test_utils";
 
-test.use({ tmpPath: 'nbgrader-create-assignments-test' });
+test.use({
+  tmpPath: 'nbgrader-create-assignments-test',
+  mockSettings: {
+    '@jupyterlab/apputils-extension:notification': {
+      fetchNews: 'false'
+    }
+  }
+});
 
 const nb_files = ["blank.ipynb", "task.ipynb", "old-schema.ipynb"];
 

nbgrader/tests/labextension_ui-tests/tests/test_formgrader.spec.ts

@@ -13,7 +13,14 @@ import * as fs from 'fs';
 
 const is_windows = os.platform().startsWith('win')
 
-test.use({ tmpPath: 'nbgrader-formgrader-test' });
+test.use({
+  tmpPath: 'nbgrader-formgrader-test',
+  mockSettings: {
+    '@jupyterlab/apputils-extension:notification': {
+      fetchNews: 'false'
+    }
+  }
+});
 
 // const db = new sqlite3.Database("gradebook.db");
 

nbgrader/tests/labextension_ui-tests/tests/test_validate_assignment.spec.ts

@@ -9,7 +9,14 @@ import {
     close_error_modal
 } from "./test_utils";
 
-test.use({ tmpPath: 'nbgrader-create-assignments-test' });
+test.use({
+  tmpPath: 'nbgrader-validate-assignments-test',
+  mockSettings: {
+    '@jupyterlab/apputils-extension:notification': {
+      fetchNews: 'false'
+    }
+  }
+});
 
 const nb_files = [
     "data.txt",
@@ -28,7 +35,7 @@ const nb_files = [
 test.beforeEach(async ({ baseURL, tmpPath }) => {
 
   if (baseURL === undefined) throw new Error("BaseURL is undefined.");
-  
+
   const contents = galata.newContentsHelper(baseURL);
   nb_files.forEach(elem => {
         contents.uploadFile(