Include test for when views exposed filter blocks are changed

The Needs Review Queue Bot → tested this issue. It either no longer applies to Drupal core, or fails the Drupal core commit checks. Therefore, this issue status is now "Needs work".

Apart from a re-roll or rebase, this issue may need more work to address feedback in the issue or MR comments. To progress an issue, incorporate this feedback as part of the process of updating the issue. This helps other contributors to know what is outstanding.

Consult the Drupal Contributor Guide → to find step-by-step guides for working with issues.

Attached patch against Drupal 9.5.x

Patch #18 is not applied for Drupal 9.5.x so Inter-diff file is not added.

Checking patch core/modules/views/tests/src/Functional/Plugin/ExposedFormTest.php...
error: while searching for:
    $elements = $this->xpath('//form[@id=:id]', [':id' => $this->getExpectedExposedFormId($view)]);
    $this->assertCount(1, $elements, 'One exposed form block found.');

    // Test that the correct option is selected after form submission.
    $this->assertCacheContext('url');
    $this->assertTrue($this->assertSession()->optionExists('Content: Type', 'All')->isSelected());

error: patch failed: core/modules/views/tests/src/Functional/Plugin/ExposedFormTest.php:262
error: core/modules/views/tests/src/Functional/Plugin/ExposedFormTest.php: patch does not apply