Moved the petstore docket configuration to its own module

Demonstrates that the issue 1890 is not reproducable.

fixes springfox#1890

springfox-petstore/build.gradle

@@ -16,5 +16,8 @@ dependencies {
   compile libs.spring
   compile libs.springProvided
   compile libs.swagger2Core
-  compile "com.google.guava:guava:${guava}"
+  compile libs.core
+  compile project(':springfox-spi')
+  compile project(':springfox-core')
+  compile project(':springfox-spring-web')
 }

springfox-petstore/src/main/java/springfox/petstore/PetStoreConfiguration.java

@@ -0,0 +1,53 @@
+/*
+ *
+ *  Copyright 2017-2018 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.
+ *  You may obtain a copy of the License at
+ *
+ *         http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ *
+ *
+ */
+package springfox.petstore;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import springfox.documentation.service.SecurityScheme;
+import springfox.documentation.spi.DocumentationType;
+import springfox.documentation.spring.web.plugins.Docket;
+
+import java.util.List;
+
+import static com.google.common.base.Predicates.*;
+import static com.google.common.collect.Sets.*;
+import static springfox.documentation.builders.PathSelectors.*;
+
+@Configuration
+public class PetStoreConfiguration {
+
+  @Bean
+  Docket petstore(List<SecurityScheme> authorizationTypes) {
+    return new Docket(DocumentationType.SWAGGER_2)
+        .groupName("petstore")
+        .useDefaultResponseMessages(false)
+        .securitySchemes(authorizationTypes)
+        .produces(newHashSet("application/xml", "application/json"))
+        .select()
+        .paths(or(
+            and(
+                regex("/api/.*"),
+                not(regex("/api/store/search.*"))),
+            regex("/generic/.*")))
+        .build()
+        .host("petstore.swagger.io")
+        .protocols(newHashSet("http", "https"));
+  }
+}

swagger-contract-tests/src/test/groovy/springfox/test/contract/swaggertests/Swagger2TestConfig.groovy

@@ -33,6 +33,7 @@ import springfox.documentation.spring.data.rest.configuration.SpringDataRestConf
 import springfox.documentation.spring.web.dummy.controllers.BugsController
 import springfox.documentation.spring.web.plugins.Docket
 import springfox.documentation.swagger2.annotations.EnableSwagger2
+import springfox.petstore.PetStoreConfiguration
 import springfox.test.contract.swagger.Bug1767ListingScanner
 
 import java.nio.ByteBuffer
@@ -44,30 +45,12 @@ import static springfox.documentation.schema.AlternateTypeRules.*
 @Configuration
 @EnableSwagger2
 @EnableHypermediaSupport(type = EnableHypermediaSupport.HypermediaType.HAL)
-@Import(SpringDataRestConfiguration)
+@Import([SpringDataRestConfiguration, PetStoreConfiguration])
 class Swagger2TestConfig {
 
   @Autowired
   private TypeResolver resolver
 
-  @Bean
-  Docket petstore(List<SecurityScheme> authorizationTypes) {
-    return new Docket(DocumentationType.SWAGGER_2)
-        .groupName("petstore")
-        .useDefaultResponseMessages(false)
-        .securitySchemes(authorizationTypes)
-        .produces(['application/xml', 'application/json'] as Set)
-        .select()
-        .paths(or(
-        and(
-            regex("/api/.*"),
-            not(regex("/api/store/search.*"))),
-        regex("/generic/.*")))
-        .build()
-        .host("petstore.swagger.io")
-        .protocols(['http', 'https'] as Set)
-  }
-
   @Bean
   Docket petstoreWithUriTemplating(List<SecurityScheme> authorizationTypes) {
     return new Docket(DocumentationType.SWAGGER_2)