Unify the spelling of the TestWebService classes

src/test/java/de/unipotsdam/cs/toolup/ws/integration/AbstractTestWebService.java

@@ -7,7 +7,7 @@ import org.apache.http.impl.client.HttpClientBuilder;
 /**
  * In contrast to the UnitTests, this integration tests require a running web server to succeed.
  */
-public abstract class AbstractTestWebservice {
+public abstract class AbstractTestWebService {
 
     protected final static String TOOLUP_URL = "http://localhost:8080/toolup";
 

src/test/java/de/unipotsdam/cs/toolup/ws/integration/CategoryTestWebservice.java

@@ -17,7 +17,7 @@ import java.util.Map;
 import static de.unipotsdam.cs.toolup.model.BusinessObject.JSON_KEY_ID;
 import static org.testng.AssertJUnit.assertTrue;
 
-public class CategoryTestWebservice extends AbstractTestWebservice {
+public class CategoryTestWebservice extends AbstractTestWebService {
 
     @Test
     public void testThatWebserviceReturnsAllCategoriesThatIncludeAnyApplication() throws Exception {

src/test/java/de/unipotsdam/cs/toolup/ws/integration/IntegrationTestWebService.java

@@ -25,7 +25,7 @@ import static junit.framework.Assert.assertEquals;
 import static org.testng.AssertJUnit.assertTrue;
 
 
-public class IntegrationTestWebservice extends AbstractTestWebservice {
+public class IntegrationTestWebService extends AbstractTestWebService {
 
     private final static String APPLICATION_RESOURCE_URL = "/application/";
     private static final String CATEGORY_RESOURCE_URL = "/category/";

src/test/java/de/unipotsdam/cs/toolup/ws/integration/LookupTestWebservice.java

@@ -20,7 +20,7 @@ import java.util.ArrayList;
 
 import static junit.framework.Assert.assertEquals;
 
-public class LookupTestWebservice extends AbstractTestWebservice {
+public class LookupTestWebService extends AbstractTestWebService {
 
     private final static String LOOKUP_URL = "/lookup";
 

src/test/java/de/unipotsdam/cs/toolup/ws/integration/SearchTestWebservice.java

@@ -20,7 +20,7 @@ import java.util.ArrayList;
 
 import static junit.framework.Assert.assertEquals;
 
-public class SearchTestWebservice extends AbstractTestWebservice {
+public class SearchTestWebService extends AbstractTestWebService {
 
     private final static String SEARCH_URL = "/search";