
PASS Microtasks evaluate immediately when the stack is empty inside the parser 
FAIL Microtasks evaluate immediately when the stack is empty inside the parser, causing the checks on no attributes to fail assert_false: The attribute must not be present expected false got true
PASS Microtasks evaluate afterward when the stack is not empty using createElement() 
PASS Microtasks evaluate afterward when the stack is not empty using the constructor 
PASS Microtasks evaluate afterward when the stack is not empty due to upgrades