Convert groovy tests to java

samples/httpsession-redis-json/build.gradle

@@ -32,11 +32,10 @@ dependencies {
             "org.apache.httpcomponents:httpclient"
 
     testCompile "org.springframework.boot:spring-boot-starter-test",
-            "org.assertj:assertj-core:$assertjVersion"
+            "org.assertj:assertj-core:$assertjVersion",
+            "org.projectlombok:lombok:$lombokVersion"
     testCompile "org.skyscreamer:jsonassert:$jsonassertVersion"
-    testCompile "org.assertj:assertj-core:$assertjVersion"
-    integrationTestCompile gebDependencies,
-            "org.spockframework:spock-spring:$spockVersion"
+    integrationTestCompile seleniumDependencies
 
 }
 //
@@ -44,9 +43,6 @@ integrationTest {
     doFirst {
         def port = reservePort()
 
-        def host = 'localhost:' + port
-        systemProperties['geb.build.baseUrl'] = 'http://'+host+'/'
-        systemProperties['geb.build.reportsDir'] = 'build/geb-reports'
         systemProperties['server.port'] = port
         systemProperties['management.port'] = 0