update feedback api alarm threshold (#132)

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### Description

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context -->
This PR increases the Feedback Widget API alarm threshold for the 5xx
error to reduce alarm noise.

### Ticket

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[[chore]: Update Feedback Widget Alarm
Threshold](newjersey/innovation-platform-pm#1395)

### Approach

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install/update/migration, etc. -->

### Steps to Test

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these changes in-app. -->

### Notes

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Author: AnJuHyppolite

infra/monitoring/feedback-api-5xx-error-alarm.ts

@@ -22,10 +22,10 @@ export class FeedbackApi5xxErrorAlarm extends Construct {
     const feedbackApi5xxErrorsAlarm = new cloudwatch.Alarm(this, id, {
       metric,
       evaluationPeriods: 1,
-      threshold: 2,
+      threshold: 5,
       actionsEnabled: true,
       alarmDescription:
-        'Alarm when the Feedback API returns over 2 5XX errors in 15 minutes',
+        'Alarm when the Feedback API returns over 5 5XX errors in 15 minutes',
       alarmName: 'Feedback API - 5XX Errors',
       comparisonOperator: cloudwatch.ComparisonOperator.GREATER_THAN_THRESHOLD,
       datapointsToAlarm: 1,

infra/test/feedback-api-stack.test.ts

@@ -111,16 +111,25 @@ describe('Feedback API Stack', () => {
     valueForStringParameterMock.mockRestore();
   });
 
-  it.each(['4XXError', '5XXError'])(
-    'creates a CloudWatch alarm tracking the %s metric',
-    (metricName) => {
+  describe('CloudWatch alarms', () => {
+    it('creates a CloudWatch alarm tracking the 4XXError metric with threshold of 2', () => {
       const { template } = createStackAndTemplate();
       template.hasResourceProperties('AWS::CloudWatch::Alarm', {
-        MetricName: metricName,
+        MetricName: '4XXError',
         Threshold: 2,
         EvaluationPeriods: 1,
         Period: 900 // seconds
       });
-    }
-  );
+    });
+
+    it('creates a CloudWatch alarm tracking the 5XXError metric with threshold of 5', () => {
+      const { template } = createStackAndTemplate();
+      template.hasResourceProperties('AWS::CloudWatch::Alarm', {
+        MetricName: '5XXError',
+        Threshold: 5,
+        EvaluationPeriods: 1,
+        Period: 900 // seconds
+      });
+    });
+  });
 });

tsconfig.json

@@ -23,7 +23,7 @@
     "target": "ES2022",
     "types": ["jest", "node"]
   },
-  "include": ["src/**/*.ts"],
+  "include": ["src/**/*.ts", "infra/test/**/*.ts"],
   "exclude": [
     "node_modules/**/*",
     ".webpack/**/*",