Erro ao executar o test na Classe AutenticacaoControllerTest

Classe de Teste: AutenticacaoControllerTest

import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.http.MediaType;
import org.springframework.test.context.ActiveProfiles;
import org.springframework.test.context.junit4.SpringRunner;
import org.springframework.test.web.servlet.MockMvc;
import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;
import org.springframework.test.web.servlet.result.MockMvcResultMatchers;

@RunWith(SpringRunner.class)
@SpringBootTest
@AutoConfigureMockMvc
@ActiveProfiles("test")
public class AutenticacaoControllerTest {

    @Autowired
    private MockMvc mockMvc;

    @Test
    public void deveriaDevolver400CasoDadosDeAutenticacaoEstejamIncorretos() throws Exception {

        URI uri = new URI("/auth");

        String json = "{\"email\":\"aluno@email.com\",\"senha\":\"123456\"}";

        mockMvc.perform(MockMvcRequestBuilders
                .post(uri)
                .content(json)
                .contentType(MediaType.APPLICATION_JSON))
        .andExpect(MockMvcResultMatchers
                .status()
                .is(400));

    }

}

Classe Controller:

package br.com.alura.forum.controller;

import javax.validation.Valid;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Profile;
import org.springframework.http.ResponseEntity;
import org.springframework.security.authentication.AuthenticationManager;
import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.AuthenticationException;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import br.com.alura.forum.config.security.TokenService;
import br.com.alura.forum.controller.dto.TokenDTO;
import br.com.alura.forum.controller.form.LoginForm;

@RestController
@RequestMapping("/auth")
@Profile(value = {"prod", "test"})
public class AutenticacaoController {

    @Autowired
    private AuthenticationManager authenticationManager; // O Spring não consegue fazer a injeção de dependencia automaticamente

    @Autowired
    private TokenService tokenService;

    @PostMapping
    public ResponseEntity<TokenDTO> autenticar(@RequestBody @Valid LoginForm form ){

//        System.out.println(form.getEmail());
//        System.out.println(form.getSenha());

        UsernamePasswordAuthenticationToken dadosLogin = form.converter();

        try {
            Authentication authentication = authenticationManager.authenticate(dadosLogin);

            String token = tokenService.gerarToken(authentication);
            // System.out.println(tokken);
            return ResponseEntity.ok(new TokenDTO(token, "Bearer"));
        } catch (AuthenticationException e) {
            return ResponseEntity.badRequest().build();
        }

    }

}

# datasource
spring.datasource.url=jdbc:mysql://localhost:3306/forum-test?createDatabaseIfNotExist=true&serverTimezone=UTC
spring.datasource.username=root
spring.datasource.password=123456
spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver

#Modo a ser aplicado ao determinar se a inicialização do DataSource deve ser executada usando os scripts DDL e DML disponíveis.
#[ALWAYS, EMBEDDED, NEVER]
spring.sql.init.mode=NEVER


# jpa
spring.jpa.generate-ddl=true
spring.jpa.hibernate.ddl-auto=update
spring.jpa.show-sql=true
spring.jpa.properties.hibernate.dialect=org.hibernate.dialect.MySQL57Dialect
spring.jpa.defer-datasource-initialization=true  

Oi Joelson,

Confere se no application.properties tem essa propriedade: forum.jwt.expiration, pois pela mensagem de erro está faltando

Então têm sim. No properties test que não têm.

#adicionar no arguments da vm
#-Dspring.profiles.active=dev 

# datasource
spring.datasource.driverClassName=org.h2.Driver
spring.datasource.url=jdbc:h2:mem:alura-forum
spring.datasource.username=sa
spring.datasource.password=

# jpa
#Isso se torna necessario por conta da inicialização do banco de dados ocorrer antes da JPA
#https://github.com/spring-projects/spring-boot/wiki/Spring-Boot-2.5-Release-Notes#hibernate-and-datasql
spring.jpa.defer-datasource-initialization=true  
# jpa
spring.jpa.database-platform=org.hibernate.dialect.H2Dialect
spring.jpa.hibernate.ddl-auto=update
spring.jpa.show-sql=true
spring.jpa.properties.hibernate.format_sql=true
spring.jpa.properties.hibernate.use_sql_comments=true

#h2

spring.h2.console.enabled=true
spring.h2.console.path=/h2-console

# jwt

forum.jwt.secret=rm'!@N=Ke!~p8VTA2ZRK~nMDQX5Uvm!m'D&]{@Vr?G;2?XhbC:Qa#9#eMLN\}x3?JR3.2zr~v)gYF^8\:8>:XfB:Ww75N/emt9Yj[bQMNCWwW\J?N,nvH.<2\.r~w]*e~vgak)X"v8H`MH/7"2E`,^k@n<vE-wD3g9JWPy;CrY*.Kd2_D])=><D?YhBaSua5hW%{2]_FVXzb9`8FH^b[X3jzVER&:jw2<=c38=>L/zBq`}C6tT*cCSVC^c]-L}&/
forum.jwt.expiration=86400000


# actuator
#management.endpoint.health.show-details=always
#management.endpoints.web.exposure.include=*
#info.app.name=@project.name@
#info.app.description=@project.description@
#info.app.version=@project.version@
#info.app.encoding=@project.build.sourceEncoding@
#info.app.java.version=@java.version@

#Spring boot admin server
#spring.boot.admin.client.url=http://localhost:8082  

spring.mvc.pathmatch.matching-strategy=ant-path-matcher