chore: reenable test spec that tests data loader for races

app/services/survey_responses_data_loader.rb

@@ -85,9 +85,7 @@ class SurveyResponsesDataLoader
     student = Student.find_or_create_by(response_id: row.response_id, lasid: row.lasid)
     student.races.delete_all
     tmp_races = row.races.map do |race| races[race] end
-    tmp_races.each do |race|
-      student.races << race
-    end
+    student.races += tmp_races
 
     row.survey_items.map do |survey_item|
       likert_score = row.likert_score(survey_item_id: survey_item.survey_item_id) || next

spec/services/survey_responses_data_loader_spec.rb

@@ -354,11 +354,11 @@ def assigns_ell_to_responses
 end
 
 def assigns_races_to_students
-  results = {  #"student_survey_response_1" => [american_indian],
-              # "student_survey_response_3" => [asian, black, latinx, multiracial],
-              # "student_survey_response_4" => [unknown_race],
-              # "student_survey_response_5" => [american_indian, asian, black, latinx, white, middle_eastern, multiracial],
-              # "student_survey_response_6" => [american_indian, asian, black, latinx, white, middle_eastern, multiracial],
+  results = {  "student_survey_response_1" => [american_indian],
+               "student_survey_response_3" => [asian, black, latinx, multiracial],
+               "student_survey_response_4" => [unknown_race],
+               "student_survey_response_5" => [american_indian, asian, black, latinx, white, middle_eastern, multiracial],
+               "student_survey_response_6" => [american_indian, asian, black, latinx, white, middle_eastern, multiracial],
               "student_survey_response_7" => [white] }
 
   results.each do |key, value|