Add the flaky_status field to the TestInstance model (#184)

* feat: add error field to test results totals

* feat: add flaky status field to TestInstance model

shared/django_apps/reports/migrations/0017_testinstance_flaky_status.py

@@ -0,0 +1,18 @@
+# Generated by Django 4.2.11 on 2024-04-12 19:43
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('reports', '0016_testresultreporttotals_error'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='testinstance',
+            name='flaky_status',
+            field=models.CharField(choices=[('failed_in_default_branch', 'Failed In Default Branch'), ('consecutive_diff_outcomes', 'Consecutive Diff Outcomes'), ('unrelated_matching_failures', 'Unrelated Matching Failures')], max_length=100, null=True),
+        ),
+    ]

shared/django_apps/reports/models.py

@@ -282,6 +282,12 @@ class Outcome(models.TextChoices):
         ERROR = "error"
         PASS = "pass"
 
+    class FlakeSymptomType(models.TextChoices):
+        FAILED_IN_DEFAULT_BRANCH = "failed_in_default_branch"
+        CONSECUTIVE_DIFF_OUTCOMES = "consecutive_diff_outcomes"
+        UNRELATED_MATCHING_FAILURES = "unrelated_matching_failures"
+
+    flaky_status = models.CharField(null=True, max_length=100, choices=FlakeSymptomType.choices)
     duration_seconds = models.FloatField()
     outcome = models.CharField(max_length=100, choices=Outcome.choices)
     upload = models.ForeignKey(
@@ -302,7 +308,7 @@ class TestResultReportTotals(BaseCodecovModel):
     skipped = models.IntegerField()
     failed = models.IntegerField()
 
-    class TestResultsProcessingError(models.Choices):
+    class TestResultsProcessingError(models.TextChoices):
         NO_SUCCESS = "no_success"
 
     error = models.CharField(