@Test
    public void getByName_Should_Return_StatusOK_When_BeerExists() throws Exception {

        Beer mockBeer = createMockBeer();

        Mockito.when(service.getBeerByName(mockBeer.getName()))
                .thenReturn(mockBeer);

        mockMvc.perform(MockMvcRequestBuilders.get("/api/beers/search").param("name", mockBeer.getName()))
                .andExpect(MockMvcResultMatchers.status().isOk())
                .andExpect(MockMvcResultMatchers.jsonPath("$.name").value(mockBeer.getName()));
    }