>I read that as "one operation per test". This replaces a clear, well defined thing (assert) with a vague, ill defined thing. What constitutes an "operation"?

>I read that as "one operation per test". This replaces a clear, well defined thing (assert) with a vague, ill defined thing. What constitutes an "operation"? There's almost no point to the rule if it isnt trivial to distinguish one operation from a group.