This tests among others the fix of issue TOBAGO-2210.

- Test if nonce attribute is set correctly, after first load.
- Test if styles from style tag was applied correctly, after first load.

Style: min-height: 300px

- Test if nonce attribute is set correctly, after AJAX reload.
- Test if styles from style tag was applied correctly, after AJAX reload.

Style: min-height: 300px

- Test if styles from style tag was NOT applied.

Style: min-height: 300px
Must not be applied, because of CSP. If it is applied, CSP is switched off, or it's just not working.