Updated unit tests

Author: colemancda

Sources/MongoDBModel/MongoDatabase.swift

@@ -198,7 +198,7 @@ internal extension MongoDatabase {
     }
 }
 
-fileprivate extension MongoDatabase {
+private extension MongoDatabase {
 
     func collection(
         _ name: EntityName,

Tests/CoreModelMongoDBTests/MongoDBModelTests.swift

@@ -30,16 +30,17 @@ final class MongoDBModelTests: XCTestCase {
             name: "John Appleseed",
             age: 22
         )
-        
-        try await store.insert(person1)
-        
+                
         var event1 = Event(
             name: "WWDC",
-            date: Date(timeIntervalSinceNow: 60 * 60 * 24 * 10),
-            people: [person1.id]
+            date: Date(timeIntervalSinceNow: 60 * 60 * 24 * 10)
         )
 
+        event1.people.append(person1.id)
+        person1.events.append(event1.id)
+        
         try await store.insert(event1)
+        try await store.insert(person1)
         person1 = try await store.fetch(Person.self, for: person1.id)!
         XCTAssertEqual(person1.events, [event1.id])
         event1 = try await store.fetch(Event.self, for: event1.id)!