deleted unused imports

application/src/test/java/org/thingsboard/server/controller/BaseEdgeEventControllerTest.java

@@ -16,15 +16,12 @@
 package org.thingsboard.server.controller;
 
 import com.fasterxml.jackson.core.type.TypeReference;
-import com.fasterxml.jackson.databind.ObjectMapper;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.lang3.RandomStringUtils;
 import org.junit.After;
 import org.junit.Assert;
 import org.junit.Before;
 import org.junit.Test;
-import org.springframework.test.web.servlet.ResultActions;
-import org.springframework.test.web.servlet.request.MockHttpServletRequestBuilder;
 import org.springframework.web.client.RestTemplate;
 import org.thingsboard.server.common.data.Device;
 import org.thingsboard.server.common.data.Tenant;
@@ -41,7 +38,6 @@ import org.thingsboard.server.common.data.security.Authority;
 
 import java.util.List;
 
-import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.post;
 import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
 
 @Slf4j