Fix asan build issue with simple-scheduler-test.

Clang does not like the EXPECT_EQ macro. Not much value in printing
the iterator values and I suspect gcc is doing something strange and
happens to work.

Change-Id: I9e78a7d78ec552a65ed5b71067fe49498f919b32
Reviewed-on: http://gerrit.ent.cloudera.com:8080/1273
Reviewed-by: Nong Li <nong@cloudera.com>
Tested-by: Nong Li <nong@cloudera.com>
(cherry picked from commit bcc0162ae2250ef92d95c7ede097e086268a91d1)
Reviewed-on: http://gerrit.ent.cloudera.com:8080/1326
Reviewed-by: Lenni Kuff <lskuff@cloudera.com>
Reviewed-by: Matthew Jacobs <mj@cloudera.com>
Tested-by: Matthew Jacobs <mj@cloudera.com>