test: improve tests of CatalogImportClient

Signed-off-by: Benjamin Janssens <benji.janssens@gmail.com>

plugins/catalog-import/src/api/CatalogImportClient.test.ts

@@ -588,6 +588,12 @@ describe('CatalogImportClient', () => {
           'https://github.com/backstage/backstage/blob/main/catalog-info.yaml',
       });
       expect(catalogApi.validateEntity).toHaveBeenCalledTimes(1);
+      expect(scmAuthApi.getCredentials).toHaveBeenCalledWith({
+        host: 'github.com',
+        additionalScope: {
+          repoWrite: true,
+        },
+      });
       expect(
         (new Octokit().git.createRef as any as jest.Mock).mock.calls[0][0],
       ).toEqual({
@@ -701,6 +707,13 @@ describe('CatalogImportClient', () => {
         }),
       );
 
+      expect(scmAuthApi.getCredentials).toHaveBeenCalledWith({
+        host: 'github.com',
+        additionalScope: {
+          repoWrite: true,
+        },
+      });
+
       expect(
         (new Octokit().git.createRef as any as jest.Mock).mock.calls[0][0],
       ).toEqual(