test: inject instead of deprecated TestBed get

Additionally refactor tests and ts-ignore annotations.

src/app/modules/data/data.provider.spec.ts

@@ -1,4 +1,3 @@
-/* eslint-disable @typescript-eslint/no-non-null-assertion,@typescript-eslint/ban-ts-comment,@typescript-eslint/no-explicit-any */
 /*
  * Copyright (C) 2018-2021 StApps
  * This program is free software: you can redistribute it and/or modify it
@@ -13,6 +12,7 @@
  * You should have received a copy of the GNU General Public License along with
  * this program. If not, see <https://www.gnu.org/licenses/>.
  */
+/* eslint-disable @typescript-eslint/no-non-null-assertion, @typescript-eslint/no-explicit-any */
 import {TestBed} from '@angular/core/testing';
 import {Client} from '@openstapps/api/lib/client';
 import {
@@ -85,8 +85,8 @@ describe('DataProvider', () => {
       imports: [DataModule],
       providers: [DataProvider, StAppsWebHttpClient],
     });
-    storageProvider = TestBed.get(StorageProvider);
-    dataProvider = TestBed.get(DataProvider);
+    storageProvider = TestBed.inject(StorageProvider);
+    dataProvider = TestBed.inject(DataProvider);
   });
 
   it('should generate data key', async () => {
@@ -146,13 +146,14 @@ describe('DataProvider', () => {
           for (const key in request_) {
             if (request_.hasOwnProperty(key)) {
               i++;
-              // @ts-ignore
+
               expect(requestCheck[key]).not.toBeNull();
               expect(requestCheck[key]).toEqual(request_[key]);
-              // @ts-ignore
+
+              // @ts-expect-error is not null
               // eslint-disable-next-line unicorn/no-null
               requestCheck[key] = null;
-              // @ts-ignore
+              // @ts-expect-error is a string for test purposes
               request_[key] = request_[key].toUpperCase();
             }
           }
@@ -164,7 +165,7 @@ describe('DataProvider', () => {
     );
     const response = await dataProvider.multiSearch(request);
 
-    // @ts-ignore
+    // @ts-expect-error same type
     expect(response).toEqual(responseShould);
   });