DATACMNS-1005 - Polishing.

Simplified type check by using Set as method signature to avoid unnecessary manual array wrapping. Simplification in the test assertions. A bit of Javadoc, corrected imports and author tags.

Original pull request: #200.

src/test/java/org/springframework/data/repository/query/QueryMethodUnitTests.java

@@ -46,6 +46,7 @@ import org.springframework.data.util.Version;
  * 
  * @author Oliver Gierke
  * @author Thomas Darimont
+ * @author Maciek Opała
  */
 public class QueryMethodUnitTests {
 

src/test/java/org/springframework/data/repository/util/QueryExecutionConvertersUnitTests.java

@@ -15,7 +15,7 @@
  */
 package org.springframework.data.repository.util;
 
-import static org.hamcrest.CoreMatchers.*;
+import static org.hamcrest.Matchers.*;
 import static org.junit.Assert.*;
 import static org.springframework.data.repository.util.QueryExecutionConverters.*;
 
@@ -41,10 +41,13 @@ import java.util.Set;
 import java.util.concurrent.CompletableFuture;
 import java.util.concurrent.Future;
 
+import org.hamcrest.Matchers;
 import org.junit.Before;
 import org.junit.Test;
 import org.reactivestreams.Publisher;
 import org.springframework.core.convert.support.DefaultConversionService;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.Slice;
 import org.springframework.util.ReflectionUtils;
 import org.springframework.util.concurrent.ListenableFuture;
 
@@ -55,6 +58,7 @@ import com.google.common.base.Optional;
  * 
  * @author Oliver Gierke
  * @author Mark Paluch
+ * @author Maciek Opała
  */
 public class QueryExecutionConvertersUnitTests {
 
@@ -273,11 +277,8 @@ public class QueryExecutionConvertersUnitTests {
 	@Test // DATACMNS-1005
 	public void registersAllowedPageabletypes() {
 
-		final Set<Class<?>> allowedPageableTypes = QueryExecutionConverters.getAllowedPageableTypes();
-		assertThat(allowedPageableTypes, hasItem(Page.class));
-		assertThat(allowedPageableTypes, hasItem(Slice.class));
-		assertThat(allowedPageableTypes, hasItem(List.class));
-		assertThat(allowedPageableTypes, hasItem(Seq.class));
+		Set<Class<?>> allowedPageableTypes = QueryExecutionConverters.getAllowedPageableTypes();
+		assertThat(allowedPageableTypes, Matchers.<Class<?>> hasItems(Page.class, Slice.class, List.class, Seq.class));
 	}
 
 	@SuppressWarnings("unchecked")