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Test Info: Warnings

<!DOCTYPE html>
<html>
<head>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="support/frame-ancestors-test.sub.js"></script>
</head>
<body>
<script>
test = async_test("A 'frame-ancestors' CSP directive with a value 'none' should block rendering in nested frames.");
testNestedIFrame("'none'", CROSS_ORIGIN, CROSS_ORIGIN, EXPECT_BLOCK);
</script>
</body>
</html>