CONSOLE ERROR: line 92: 'csp' attribute is not a valid policy: 
CONSOLE ERROR: line 92: 'csp' attribute is not a valid policy: 
CONSOLE ERROR: line 92: 'csp' attribute is not a valid policy: 
CONSOLE ERROR: line 92: 'csp' attribute is not a valid policy: img-src http://example.com 'none'
CONSOLE ERROR: Refused to display 'http://xn--n8j6ds53lwwkrqhv28a.web-platform.test:8001/content-security-policy/embedded-enforcement/support/echo-policy-multiple.py?policy=&id=Required+policy+that+allows+%60none%60+does+not+subsume+empty+list+of+policies.' because it has not opted-into the following policy required by its embedder: 'img-src '.
CONSOLE ERROR: Refused to display 'http://xn--n8j6ds53lwwkrqhv28a.web-platform.test:8001/content-security-policy/embedded-enforcement/support/echo-policy-multiple.py?policy=img-src+http%3A%2F%2Fexample.com&id=Required+csp+with+effective+%60none%60+does+not+subsume+a+host+source+expression.' because it has not opted-into the following policy required by its embedder: 'img-src '.
CONSOLE ERROR: Refused to display 'http://xn--n8j6ds53lwwkrqhv28a.web-platform.test:8001/content-security-policy/embedded-enforcement/support/echo-policy-multiple.py?policy=img-src+http%3A%2F%2Fexample.com&id=Required+csp+with+%60none%60+does+not+subsume+a+host+source+expression.' because it has not opted-into the following policy required by its embedder: 'img-src 'none''.
CONSOLE ERROR: Refused to display 'http://xn--n8j6ds53lwwkrqhv28a.web-platform.test:8001/content-security-policy/embedded-enforcement/support/echo-policy-multiple.py?policy=frame-src+%27none%27&id=Required+csp+with+effective+%60none%60+does+not+subsume+%60none%60+of+another+directive.' because it has not opted-into the following policy required by its embedder: 'img-src '.
CONSOLE ERROR: Refused to display 'http://xn--n8j6ds53lwwkrqhv28a.web-platform.test:8001/content-security-policy/embedded-enforcement/support/echo-policy-multiple.py?policy=frame-src+%27none%27&id=Required+csp+with+%60none%60+does+not+subsume+%60none%60+of+another+directive.' because it has not opted-into the following policy required by its embedder: 'img-src 'none''.
CONSOLE ERROR: Refused to display 'http://xn--n8j6ds53lwwkrqhv28a.web-platform.test:8001/content-security-policy/embedded-enforcement/support/echo-policy-multiple.py?policy=img-src+http%3A%2F%2F*.one.com&policy2=frame-src+https%3A%2F%2Ftwo.com&id=Required+csp+with+%60none%60+does+not+subsume+%60none%60+of+different+directives.' because it has not opted-into the following policy required by its embedder: 'img-src '.
CONSOLE ERROR: Refused to display 'http://xn--n8j6ds53lwwkrqhv28a.web-platform.test:8001/content-security-policy/embedded-enforcement/support/echo-policy-multiple.py?policy=img-src+%27none%27&policy2=script-src+%27unsafe-inline%27&id=Both+required+and+returned+csp+are+%60none%60+for+only+one+directive.' because it has not opted-into the following policy required by its embedder: 'default-src 'none''.
