Added test for immutable findAll result

Author: JohannesRabauer

spring-data-eclipse-store/src/test/java/software/xdev/spring/data/eclipse/store/integration/shared/tests/RealLifeTests.java

@@ -190,7 +190,7 @@ void testReplacePositionWithNewArticleAndUseImmutableList()
 	{
 		this.buildDefaultModelAndSaveIt();
 
-		final List<Position> positions = this.positionRepository.findAll();
+		final List<Position> positions = new ArrayList<>(this.positionRepository.findAll());
 		createAndAddShoeToPosition(positions);
 		this.positionRepository.saveAll(positions);
 
@@ -213,6 +213,15 @@ private static void createAndAddShoeToPosition(final List<Position> positions)
 		positions.add(new Position(shoe, 4));
 	}
 
+	@Test
+	void addPositionToFoundPositions()
+	{
+		this.buildDefaultModelAndSaveIt();
+		
+		final List<Position> positions = this.positionRepository.findAll();
+		Assertions.assertThrows(UnsupportedOperationException.class, () -> positions.add(new Position(null, 0)));
+	}
+	
 	@Test
 	void testSaveTwoObjectsWithSameReferenceThroughPositionRepository()
 	{