Fix Spring Boot based Hazelcast samples

This commit removes unused Hazelcast client dependencies and test support from Spring Boot based Hazelcast samples.

Closes: gh-1902

spring-session-samples/spring-session-sample-boot-hazelcast/src/integration-test/java/sample/BootTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2020 the original author or authors.
+ * Copyright 2014-2021 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -19,9 +19,7 @@ package sample;
 import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
-import org.junit.jupiter.api.extension.ExtendWith;
 import org.openqa.selenium.WebDriver;
-import org.testcontainers.containers.GenericContainer;
 import sample.pages.HomePage;
 import sample.pages.LoginPage;
 
@@ -29,22 +27,16 @@ 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.boot.test.context.SpringBootTest.WebEnvironment;
-import org.springframework.boot.test.context.TestConfiguration;
-import org.springframework.context.annotation.Bean;
-import org.springframework.test.context.junit.jupiter.SpringExtension;
 import org.springframework.test.web.servlet.MockMvc;
 import org.springframework.test.web.servlet.htmlunit.webdriver.MockMvcHtmlUnitDriverBuilder;
 
 /**
  * @author Ellie Bahadori
  */
-@ExtendWith(SpringExtension.class)
 @AutoConfigureMockMvc
 @SpringBootTest(webEnvironment = WebEnvironment.MOCK)
 class BootTests {
 
-	private static final String DOCKER_IMAGE = "hazelcast/hazelcast:latest";
-
 	@Autowired
 	private MockMvc mockMvc;
 
@@ -83,16 +75,4 @@ class BootTests {
 		login.assertAt();
 	}
 
-	@TestConfiguration
-	static class Config {
-
-		@Bean
-		GenericContainer hazelcastContainer() {
-			GenericContainer hazelcastContainer = new GenericContainer(DOCKER_IMAGE).withExposedPorts(5701);
-			hazelcastContainer.start();
-			return hazelcastContainer;
-		}
-
-	}
-
 }