changed field label in subject visit info...

changed field label in subject visit info https://git-r3lab.uni.lu/NCER-PD/scheduling-system/-/issues/331\#note_46155

smash/web/forms/study_subject_forms.py

@@ -31,9 +31,9 @@ class StudySubjectForm(ModelForm):
             virus_visit_numbers = range(0, 5)
             for one_based_idx, virus_visit_number in enumerate(virus_visit_numbers, 1):
                 field = 'virus_test_{}'.format(one_based_idx)
-                self.fields[field].label = 'Visit {} virus result'.format(virus_visit_number)
+                self.fields[field].label = 'Visit {} RT-PCR'.format(virus_visit_number)
                 date_field = 'virus_test_{}_updated'.format(one_based_idx)
-                self.fields[date_field].label = 'Visit {} virus result date'.format(virus_visit_number)
+                self.fields[date_field].label = 'Visit {} RT-PCR date'.format(virus_visit_number)