1. Open Firefox console to see CSP warnings...
2. Click few times "Load new image outside iframe" - new images are loading properly without any CSP
3. Click "Set iframe with CSP" - now iframe have own CSP, and image inside it won`t load [good]
4. Click again "Load new image outside iframe" - image OUTSIDE iframe will no longer load! [firefox error]
5. Click "Set iframe with String" - iframe is without CSP now
6. Click again "Load new image outside iframe" - image OUTSIDE iframe will no load! [firefox error] and no console warnings anymore!
7. Click "Remove iframe" - iframe is no longer on page
8. Click again "Load new image outside iframe" - image on page will no load! [firefox error] and no console warnings anymore!
9. Click "Set new iframe with Allow images CSP" - iframe will have CSP with allow images from domain [firefox will ignore new CSP]
10. Click again "Load new image outside iframe" - image on page will no load! [firefox error] and no console warnings anymore!
11. REPEAT ALL on Chrome - it will work properly

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