Mocked EmployeeDb compoenent

MockedEmployeeDbComp.scala

val employeeHandler = new EmployeeHandler with SprayEmployeeServiceComp with EmployeeDbComp {
  val employeeDb = new EmployeeDb {
    override def createEmployee(employee: Employee) = {
      // mocked employee creation
    }

    override def getEmployee(empId: Int): Employee = {
      // mocked employee retrieve
      Employee(3, "test", "test")
    }
  }
}