Fix Fake audit client, automated change no caller

GitOrigin-RevId: dd074e836e8e487bb4b2441c9570f686e466c2e6

Author: adrw

Diff for: misk-audit-client/src/test/kotlin/misk/audit/FakeAuditClientTest.kt

@@ -39,7 +39,7 @@ class FakeAuditClientTest {
         eventTarget = "the-database-001",
         timestampSent = 2147483647,
         applicationName = "test-app",
-        approverLDAP = "default-user",
+        approverLDAP = null,
         automatedChange = false,
         description = "description",
         richDescription = null,
@@ -60,7 +60,7 @@ class FakeAuditClientTest {
       target = "the-database-001",
     )
     assertThat(logCollector.takeMessage(FakeAuditClient::class))
-      .isEqualTo("Audit Event Logged [event=FakeAuditEvent(eventSource=test-app, eventTarget=the-database-001, timestampSent=2147483647, applicationName=test-app, approverLDAP=default-user, automatedChange=false, description=description, richDescription=null, environment=testing, detailURL=null, region=us-west-2, requestorLDAP=default-user)]")
+      .isEqualTo("Audit Event Logged [event=FakeAuditEvent(eventSource=test-app, eventTarget=the-database-001, timestampSent=2147483647, applicationName=test-app, approverLDAP=null, automatedChange=false, description=description, richDescription=null, environment=testing, detailURL=null, region=us-west-2, requestorLDAP=default-user)]")
   }
 
   class TestModule : KAbstractModule() {

Diff for: misk-audit-client/src/testFixtures/kotlin/misk/audit/FakeAuditClient.kt

@@ -54,14 +54,14 @@ class FakeAuditClient @Inject constructor(
         eventTarget = target,
         timestampSent = clock.instant().toEpochMilli().nanoseconds.toInt(DurationUnit.NANOSECONDS),
         applicationName = applicationName ?: appName,
-        approverLDAP = approverLDAP ?: callerProvider.get()?.principal,
+        approverLDAP = approverLDAP,
         automatedChange = automatedChange,
         description = description,
         richDescription = richDescription,
         environment = deployment.mapToEnvironmentName(),
         detailURL = detailURL,
         region = region,
-        requestorLDAP = requestorLDAP ?: callerProvider.get()?.principal,
+        requestorLDAP = requestorLDAP ?: if (automatedChange) null else callerProvider.get()?.principal,
       )
 
     sentEvents.add(event)