Tests: use try with resources.

Author: greenrobot-team

tests/objectbox-java-test/src/test/java/io/objectbox/CursorBytesTest.java

@@ -61,8 +61,7 @@ public void testFirstLastNextPrev() {
 
     @Test
     public void testRemove() {
-        Transaction transaction = store.beginTx();
-        try {
+        try (Transaction transaction = store.beginTx()) {
             KeyValueCursor cursor = transaction.createKeyValueCursor();
 
             cursor.put(1, new byte[]{1, 1, 0, 0});
@@ -76,8 +75,6 @@ public void testRemove() {
             byte[] next = cursor.getNext();
             assertNotNull(next);
             assertTrue(Arrays.equals(new byte[]{4, 1, 0, 0}, next));
-        } finally {
-            transaction.close();
         }
     }
 

tests/objectbox-java-test/src/test/java/io/objectbox/CursorTest.java

@@ -203,17 +203,14 @@ public void testLookupKeyUsingIndex_samePrefix() {
 
     @Test
     public void testClose() {
-        Transaction tx = store.beginReadTx();
-        try {
+        try (Transaction tx = store.beginReadTx()) {
             Cursor<TestEntity> cursor = tx.createCursor(TestEntity.class);
             assertFalse(cursor.isClosed());
             cursor.close();
             assertTrue(cursor.isClosed());
 
             // Double close should be fine
             cursor.close();
-        } finally {
-            tx.close();
         }
     }