goto: file://|DOC_PATH|/test_docs/index.html
assert-attribute: ("#main-content > details.top-doc", {"open": ""})
assert-text: ("#toggle-all-docs", "[−]")
click: "#toggle-all-docs"
wait-for: 1000
// This is now collapsed so there shouldn't be the "open" attribute on details.
assert-attribute-false: ("#main-content > details.top-doc", {"open": ""})
assert-text: ("#toggle-all-docs", "[+]")
click: "#toggle-all-docs"
wait-for: 1000
// Not collapsed anymore so the "open" attribute should be back.
assert-attribute: ("#main-content > details.top-doc", {"open": ""})
assert-text: ("#toggle-all-docs", "[−]")