Automated g4 rollback of changelist 106648396.
Automated g4 rollback of changelist 106648396.

*** Reason for rollback ***

Needed for rolling back CL 106631156 which breaks several internal projects

*** Original change description ***

Ensure testResults_ is never undefined/null.

It was missing as a class property with a default {} and tr['getTestResults'] can return null in rare cases.

***
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=106682280

federkasten/closure-library,lucidsoftware/closure-library,lucidsoftware/closure-library,ChadKillingsworth/closure-library,bebbi/closure-library,lucidsoftware/closure-library,redforks/closure-library,bebbi/closure-library,yathit/closure-library,ChadKillingsworth/closure-library,ikabirov/closure-library,joeltine/closure-library,joeltine/closure-library,platinumpixs/google-closure-library,yathit/closure-library,Dominator008/closure-library,Tinkerforge/tvpl-closure-library,codyebberson/closure-library,Tinkerforge/tvpl-closure-library,codyebberson/closure-library,Tinkerforge/tvpl-closure-library,ikabirov/closure-library,nicks/closure-library,platinumpixs/google-closure-library,yathit/closure-library,federkasten/closure-library,Medium/closure-library,ikabirov/closure-library,teppeis/closure-library,teppeis/closure-library,Dominator008/closure-library,nicks/closure-library,joeltine/closure-library,google/closure-library,nicks/closure-library,ralic/closure-library,platinumpixs/google-closure-library,nicks/closure-library,Dominator008/closure-library,redforks/closure-library,Medium/closure-library,redforks/closure-library,ChadKillingsworth/closure-library,codyebberson/closure-library,platinumpixs/google-closure-library,Dominator008/closure-library,bebbi/closure-library,yathit/closure-library,Tinkerforge/tvpl-closure-library,ikabirov/closure-library,ralic/closure-library,lucidsoftware/closure-library,joeltine/closure-library,Medium/closure-library,teppeis/closure-library,ralic/closure-library,google/closure-library,bebbi/closure-library,google/closure-library,ChadKillingsworth/closure-library,google/closure-library,federkasten/closure-library,codyebberson/closure-library,ralic/closure-library,google/closure-library,federkasten/closure-library,redforks/closure-library,teppeis/closure-library,Medium/closure-library