made junit5 default test generation framework (#1320)

fixes #1249

samples/standalone/restdocs/http-server/src/test/java/com/example/fraud/FraudBaseWithWebAppSetup.java

@@ -7,6 +7,7 @@ import org.junit.Rule;
 import org.junit.rules.TestName;
 import org.junit.runner.RunWith;
 
+
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.context.SpringBootTest;
 import org.springframework.restdocs.JUnitRestDocumentation;

samples/standalone/restdocs/http-server/src/test/java/com/example/fraud/StubGeneratorTests.java

@@ -24,6 +24,7 @@ import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
+
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.autoconfigure.json.AutoConfigureJsonTesters;
 import org.springframework.boot.test.autoconfigure.restdocs.AutoConfigureRestDocs;
@@ -31,6 +32,7 @@ import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMock
 import org.springframework.boot.test.context.SpringBootTest;
 import org.springframework.boot.test.json.JacksonTester;
 import org.springframework.http.MediaType;
+
 import org.springframework.test.context.junit4.SpringRunner;
 import org.springframework.test.web.servlet.MockMvc;
 import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;

samples/standalone/restdocs/http-server/src/test/java/com/example/fraud/XmlStubGeneratorTests.java

@@ -16,6 +16,7 @@
 
 package com.example.fraud;
 
+
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
@@ -25,6 +26,7 @@ import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMock
 import org.springframework.boot.test.context.SpringBootTest;
 import org.springframework.http.MediaType;
 import org.springframework.restdocs.mockmvc.MockMvcRestDocumentation;
+
 import org.springframework.test.context.junit4.SpringRunner;
 import org.springframework.test.web.servlet.MockMvc;