kiji-schema-shell: DDLSHELL-65. fix build: TestInputProcessor -> IntegrationTestInputProcessor

issue: https://jira.kiji.org/browse/DDLSHELL-65
review: https://review.kiji.org/r/1596
commit: https://github.com/kijiproject/kiji-schema-shell/commit/a5286d35bb547fdbecc5819e0dcd08b7db1c42e0