Tests that repeat count is properly updated.

Message count: 2
Message count: 4
Message count: 11
await delayedPromise
await delayedPromise
undefined
undefined
2console-repeat-count.js:17 Message
2console-repeat-count.js:20 Error: Message with error
    at dumpMessages (console-repeat-count.js:20:21)
    at console-repeat-count.js:51:1
console-repeat-count.js:23 {a: 1}
dumpMessages @ console-repeat-count.js:23
(anonymous) @ console-repeat-count.js:51
console-repeat-count.js:23 {a: 1}
dumpMessages @ console-repeat-count.js:23
(anonymous) @ console-repeat-count.js:51
2console-repeat-count.js:33 Uncaught Primitive value
(anonymous) @ console-repeat-count.js:33
setTimeout
throwPrimitiveValues @ console-repeat-count.js:33
(anonymous) @ console-repeat-count.js:52
console-repeat-count.js:28 Uncaught {a: 1}
(anonymous) @ console-repeat-count.js:28
setTimeout
throwObjects @ console-repeat-count.js:28
(anonymous) @ console-repeat-count.js:53
console-repeat-count.js:28 Uncaught {a: 1}
(anonymous) @ console-repeat-count.js:28
setTimeout
throwObjects @ console-repeat-count.js:28
(anonymous) @ console-repeat-count.js:53