Add harness for vector.

[tomwilkie]

Signed-off-by: Tom Wilkie tom@grafana.com

[tomwilkie]

    --- FAIL: TestRemoteWrite/vector (0.00s)
        --- FAIL: TestRemoteWrite/vector/Staleness (12.79s)
        --- PASS: TestRemoteWrite/vector/Summary (12.80s)
        --- FAIL: TestRemoteWrite/vector/RepeatedLabels (12.81s)
        --- FAIL: TestRemoteWrite/vector/Counter (12.92s)
        --- FAIL: TestRemoteWrite/vector/HonorLabels (12.96s)
        --- FAIL: TestRemoteWrite/vector/Invalid (12.97s)
        --- FAIL: TestRemoteWrite/vector/Headers (12.98s)
        --- FAIL: TestRemoteWrite/vector/Up (12.98s)
        --- PASS: TestRemoteWrite/vector/NameLabel (10.01s)
        --- FAIL: TestRemoteWrite/vector/EmptyLabels (10.01s)
        --- FAIL: TestRemoteWrite/vector/InstanceLabel (10.01s)
        --- PASS: TestRemoteWrite/vector/SortedLabels (10.01s)
        --- FAIL: TestRemoteWrite/vector/JobLabel (10.01s)
        --- PASS: TestRemoteWrite/vector/Histogram (10.02s)
        --- PASS: TestRemoteWrite/vector/Gauge (10.02s)
        --- FAIL: TestRemoteWrite/vector/Ordering (11.86s)
        --- PASS: TestRemoteWrite/vector/Timestamp (10.02s)

Only passes 6/18; worth investigating why that is I'd say. Could be something wrong with the tests.

[RichiH]

I couldn't find anything obviously wrong with the tests and some failures seem rather basic, e.g. wrong headers. Will open an issue in their repo to track and link back here.