feature (events): Classify auth method request/resp messages for audit events. (#1640)

* refactor (oidc): Stop emitting error for not found token id

Stop emitting errors when authtoken repo.IssueAuthToken is called and
there's if no pending token.  It's not an "normal" state and not
an error condition.

* feature (audit tagging): Add tags for auth method requests/responses

Including testing functions for asserting audit events created
when a service is called

sdk/pbs/controller/api/testing.go

@@ -0,0 +1,23 @@
+package api
+
+import (
+	"reflect"
+	"testing"
+
+	"github.com/hashicorp/eventlogger/filters/encrypt"
+	wrapping "github.com/hashicorp/go-kms-wrapping"
+	"google.golang.org/protobuf/types/known/fieldmaskpb"
+)
+
+// NewEncryptFilter is a copy of event.NewEncryptFilter since importing it would
+// case circular deps.  The primary reason for this test func is to make sure
+// the proper IgnoreTypes are included for testing.
+func NewEncryptFilter(t *testing.T, w wrapping.Wrapper) *encrypt.Filter {
+	t.Helper()
+	return &encrypt.Filter{
+		Wrapper: w,
+		IgnoreTypes: []reflect.Type{
+			reflect.TypeOf(&fieldmaskpb.FieldMask{}),
+		},
+	}
+}