fixed unit tests

Author: aditi-khare-mongoDB

src/mongo_types.ts

@@ -410,7 +410,7 @@ export class TypedEventEmitter<Events extends EventsDescription> extends EventEm
     ...args: Parameters<Events[EventKey]>
   ): void {
     this.emit(event, ...args);
-    if (this.component) this.mongoLogger?.debug?.(this.component, args[0]);
+    if (this.component) this.mongoLogger?.debug(this.component, args[0]);
   }
 }
 

test/unit/sdam/monitor.test.ts

@@ -25,7 +25,16 @@ class MockServer {
     this.pool = { generation: 1 };
     this.description = new ServerDescription(`${options.host}:${options.port}`);
     this.description.type = ServerType.Unknown;
-    this.topology = { s: { topologyId: 1 }, client: { mongoLogger: {} } };
+    this.topology = {
+      s: { topologyId: 1 },
+      client: {
+        mongoLogger: {
+          debug: function (_v: any, _x: any) {
+            return;
+          }
+        }
+      }
+    };
   }
 }