/**
  * Remove the specified resource from storage.
  *
  * @param  int  $id
  * @return Response
  */
 public function destroy($id)
 {
     if ($id == null) {
         return null;
     }
     Plant::find($id)->delete();
     return $id;
 }
 public function testShowPlant()
 {
     $plantController = new \App\Http\Controllers\plantController();
     $id = \App\Plant::where("name", "like", 'Test plant')->first()->id;
     $plant1 = $plantController->show($id);
     $plant2 = \App\Plant::find($id);
     $this->assertEquals($plant1, $plant2);
     $this->assertNull($plantController->show(null));
 }