Dealing with FastBulkImportIT

[Josh Elser]

Hi,

I have some complaints about FastBulkImportIT (a test added with 
https://issues.apache.org/jira/browse/ACCUMULO-3327) but no good ideas 
for how to better test it. As it presently stands, it is a very 
subjective test WRT the kind of hardware used to run it.

The test launches a 3-tserver MAC instance, creates about 585 splits on 
a table, creates 100 files with ~1200 key-value pairs, and then waits 
for the table to be balanced.

At this point, it imports these files into that table and fails if that 
takes longer than 30s.

On my VPS (3core, 6G ram, "SSD"), the bulk import takes ~45 seconds. 
This test will never pass on this node which bothers me because I am of 
the opinion that anyone (with reasonable hardware) should be able to run 
our tests (and to make sure it's clear: I believe this is reasonable 
hardware).

Does anyone have any thoughts on how we could stabilize this test for 
developers?

- Josh