There is not enough information to infer relation error

// schema/courses.ts
export const courses = pgTable('courses', {
  id: serial('id').primaryKey(),
  number: integer('number').notNull().unique()
})

export const courseRelations = relations(courses, ({ many }) => ({
  tests: many(tests)
}))

// schema/tests.ts
export const tests = pgTable('tests', {
  id: serial('id').primaryKey(),
  createdAt: timestamp('created_at').defaultNow(),
  updatedAt: timestamp('updated_at').defaultNow(),
  name: varchar('name', { length: 255 }).notNull(),
  isVerified: boolean('is_verified').default(false),
  universityId: integer('university_id').references(() => universities.id, { onDelete: 'cascade' }).notNull(),
  facultyId: integer('faculty_id').references(() => faculties.id, { onDelete: 'cascade' }).notNull(),
  subjectId: integer('subject_id').references(() => subjects.id, { onDelete: 'cascade' }).notNull(),
  courseId: integer('course_id').references(() => courses.id, { onDelete: 'cascade' }).notNull()
})

export const testRelations = relations(tests, ({ one, many }) => ({
  course: one(courses),
  university: one(universities),
  faculty: one(faculties),
  subject: one(subjects),
  user: one(users),
  questions: many(questions),
}));