Tests: use correct argument order for assertEquals

Author: greenrobot-team

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

@@ -96,7 +96,7 @@ public void testPut_notAssignedId_fails() {
         // Set ID that was not assigned
         entity.setId(1);
         IllegalArgumentException ex = assertThrows(IllegalArgumentException.class, () -> box.put(entity));
-        assertEquals(ex.getMessage(), "ID is higher or equal to internal ID sequence: 1 (vs. 1). Use ID 0 (zero) to insert new objects.");
+        assertEquals("ID is higher or equal to internal ID sequence: 1 (vs. 1). Use ID 0 (zero) to insert new objects.", ex.getMessage());
     }
 
     @Test