Add RunsWith to permit execution in google's internal test environment.
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Created by MOE: http://code.google.com/p/moe-java
MOE_MIGRATED_REVID=54908566
Fix somewhat less-than-shocking "mistake" in generation of toString.
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Created by MOE: http://code.google.com/p/moe-java
MOE_MIGRATED_REVID=55513735