message: test: update error codes used in the `NgOptimizedImage` tests
  This commit updates the error codes used in the `NgOptimizedImage` tests. The error codes got u[dated recently in a PR that got merged earlier.
  PR Close
diff: @@ -435,7 +435,7 @@ describe('Image directive', () => {
  fixture.detectChanges();
  })
  .toThrowError(
  - 'NG02951: The NgOptimizedImage directive has detected that the `loading` ' +
  + 'NG02952: The NgOptimizedImage directive has detected that the `loading` ' +
  'attribute was used on an image that was marked "priority". ' +
  'Images marked "priority" are always eagerly loaded and this behavior ' +
  'cannot be overwritten by using the "loading" attribute.');
  @@ -462,7 +462,7 @@ describe('Image directive', () => {
  fixture.detectChanges();
  })
  .toThrowError(
  - 'NG02951: The NgOptimizedImage directive has detected that the `loading` ' +
  + 'NG02952: The NgOptimizedImage directive has detected that the `loading` ' +
  'attribute has an invalid value: expecting "lazy", "eager", or "auto"' +
  ' but got: `fast`.');
  });
  