SVM: Fix flaky dev-check failure
SVM: Fix flaky dev-check failure

JIRA: MADLIB-1232

SVM has a dev-check query that is flaky on a large cluster. This commit
relaxes the assert condition for that query.

Closes #284

orhankislal/madlib,madlib/madlib,hpandeycodeit/incubator-madlib,apache/incubator-madlib,orhankislal/incubator-madlib,apache/incubator-madlib,apache/incubator-madlib,apache/incubator-madlib,njayaram2/incubator-madlib,madlib/madlib,orhankislal/madlib,njayaram2/madlib,apache/incubator-madlib,hpandeycodeit/incubator-madlib,njayaram2/madlib,orhankislal/incubator-madlib,hpandeycodeit/incubator-madlib,madlib/madlib,madlib/madlib,orhankislal/madlib,njayaram2/incubator-madlib,njayaram2/incubator-madlib,njayaram2/madlib,orhankislal/incubator-madlib,orhankislal/madlib,njayaram2/incubator-madlib,hpandeycodeit/incubator-madlib,orhankislal/madlib,njayaram2/madlib,madlib/madlib,hpandeycodeit/incubator-madlib,orhankislal/incubator-madlib,njayaram2/madlib,njayaram2/incubator-madlib,orhankislal/incubator-madlib