CodeEvalResultObjectFactory.js tests (#320)
CodeEvalResultObjectFactory.js tests (#320)

* Added test for getLastTaskResults()

* Removed CodeSubmissionObjectFactorySpec.js from this commit

* Corrected CORRECTNESS_TEST_RESULTS and LAST_TASK_RESULTS to be an array of string and a string

* Corrected CORRECTNESS_TEST_RESULTS array to contain different string; Corrected indentation on line 49 of CodeEvalResultObjectFactorySpec.js; removed extra line from SolutionHandlerService.js

* Corrected CORRECTNESS_TEST_RESULTS and LAST_TASK_RESULTS to be an array of arrays of booleans and an array of booleans

* Corrected test variables for OUTPUT, BUGGY_OUT_TEST_RESULTS, and PERFORMANCE_TEST_RESULTS in CodeEvalResultObjectFactorySpec.js

* Corrected indentation on line 56

* Made LAST_TASK_RESULTS a local variable

* Removed LAST_TASK_RESULTS variable

google/tie,google/tie,google/tie