feat: update tests

spec/models/validations/household_validations_spec.rb

@@ -335,11 +335,11 @@ RSpec.describe Validations::HouseholdValidations do
         record.ecstat2 = 1
         household_validator.validate_household_number_of_other_members(record)
         expect(record.errors["ecstat2"])
-          .to include(match I18n.t("validations.household.ecstat.not_student_16_19", person_num: 2))
+          .to include(match I18n.t("validations.household.ecstat.student_16_19.must_be_student", person_num: 2))
         expect(record.errors["age2"])
-          .to include(match I18n.t("validations.household.age.not_student_16_19", person_num: 2))
+          .to include(match I18n.t("validations.household.age.student_16_19.cannot_be_16_19.child_not_student", person_num: 2))
         expect(record.errors["relat2"])
-          .to include(match I18n.t("validations.household.relat.not_student_16_19", person_num: 2))
+          .to include(match I18n.t("validations.household.relat.student_16_19.cannot_be_child.16_19_not_student", person_num: 2))
       end
 
       it "expects that person can be a full time student" do