diff --git a/tests/src/main/java/es/uvigo/esei/xcs/domain/entities/IsEqualToPet.java b/tests/src/main/java/es/uvigo/esei/xcs/domain/entities/IsEqualToPet.java
index 769fc6683bc3d7185294f7457d2fb61834aae748..554034c93a8706912374d9a7d7f30b77ec4c7b15 100644
--- a/tests/src/main/java/es/uvigo/esei/xcs/domain/entities/IsEqualToPet.java
+++ b/tests/src/main/java/es/uvigo/esei/xcs/domain/entities/IsEqualToPet.java
@@ -19,8 +19,7 @@ public class IsEqualToPet extends IsEqualToEntity<Pet> {
 			this.addTemplatedDescription("actual", expected.toString());
 			return false;
 		} else {
-			return checkAttribute("id", Pet::getId, actual)
-				&& checkAttribute("name", Pet::getName, actual)
+			return checkAttribute("name", Pet::getName, actual)
 				&& checkAttribute("animal", Pet::getAnimal, actual)
 				&& checkAttribute("birth", Pet::getBirth, actual)
 				&& (!this.checkRelations || checkAttribute("owner", Pet::getOwner, actual, IsEqualToOwner::equalToOwnerWithoutRelations));
diff --git a/tests/src/main/resources/datasets/owners-create-pet.xml b/tests/src/main/resources/datasets/owners-create-pet.xml
index 44f301e552de28b46c4d819d30fa568f803eb5bb..8943c447e30e4c0180905beed5e7ab2e3bf4cda1 100644
--- a/tests/src/main/resources/datasets/owners-create-pet.xml
+++ b/tests/src/main/resources/datasets/owners-create-pet.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
 <dataset>
-    <Pet id="7" name="Lorenacat" animal="CAT" birth="2000-01-01 01:01:01" owner="lorena"/>
+    <Pet name="Lorenacat" animal="CAT" birth="2000-01-01 01:01:01" owner="lorena"/>
 </dataset>
\ No newline at end of file
diff --git a/tests/src/main/resources/datasets/owners-create-with-pets.xml b/tests/src/main/resources/datasets/owners-create-with-pets.xml
index f581406c2248d67ea5a968a1b23d910c44f6ccaf..62031a2cb9281fbb84c3606cd1abd23d79e62842 100644
--- a/tests/src/main/resources/datasets/owners-create-with-pets.xml
+++ b/tests/src/main/resources/datasets/owners-create-with-pets.xml
@@ -3,7 +3,7 @@
 <dataset>
     <User login="jacinto" password="69ED0B54C2B179E20F784370EAE8CB46" role="OWNER" />
     
-    <Pet id="7" name="Jacintocat" animal="CAT" birth="2000-01-01 01:01:01" owner="jacinto"/>
-    <Pet id="8" name="Jacintodo" animal="DOG" birth="2000-01-01 01:01:01" owner="jacinto"/>
-    <Pet id="9" name="Jacintobird" animal="BIRD" birth="2000-01-01 01:01:01" owner="jacinto"/>
+    <Pet name="Jacintocat" animal="CAT" birth="2000-01-01 01:01:01" owner="jacinto"/>
+    <Pet name="Jacintodo" animal="DOG" birth="2000-01-01 01:01:01" owner="jacinto"/>
+    <Pet name="Jacintobird" animal="BIRD" birth="2000-01-01 01:01:01" owner="jacinto"/>
 </dataset>
\ No newline at end of file
diff --git a/tests/src/main/resources/datasets/owners-remove-pet.xml b/tests/src/main/resources/datasets/owners-remove-pet.xml
index 959cb6e355930825f2110f963b6e4ad744e3b107..30480f45e3d6f4e880ea65161aa973606493990a 100644
--- a/tests/src/main/resources/datasets/owners-remove-pet.xml
+++ b/tests/src/main/resources/datasets/owners-remove-pet.xml
@@ -7,9 +7,9 @@
     <User login="ana" password="22BEEAE33E9B2657F9610621502CD7A4" role="OWNER"/>
     <User login="lorena" password="05009E420932C21E5A68F5EF1AADD530" role="OWNER"/>
     
-    <Pet id="1" name="Pepecat" animal="CAT" birth="2000-01-01 01:01:01" owner="pepe"/>
-    <Pet id="3" name="Juandog" animal="DOG" birth="2000-01-01 01:01:01" owner="juan"/>
-    <Pet id="4" name="Anacat" animal="CAT" birth="2000-01-01 01:01:01" owner="ana"/>
-    <Pet id="5" name="Max" animal="DOG" birth="2000-01-01 01:01:01" owner="ana"/>
-    <Pet id="6" name="Anabird" animal="BIRD" birth="2000-01-01 01:01:01" owner="ana"/>
+    <Pet name="Pepecat" animal="CAT" birth="2000-01-01 01:01:01" owner="pepe"/>
+    <Pet name="Juandog" animal="DOG" birth="2000-01-01 01:01:01" owner="juan"/>
+    <Pet name="Anacat" animal="CAT" birth="2000-01-01 01:01:01" owner="ana"/>
+    <Pet name="Max" animal="DOG" birth="2000-01-01 01:01:01" owner="ana"/>
+    <Pet name="Anabird" animal="BIRD" birth="2000-01-01 01:01:01" owner="ana"/>
 </dataset>
\ No newline at end of file
diff --git a/tests/src/main/resources/datasets/owners-remove-with-pets.xml b/tests/src/main/resources/datasets/owners-remove-with-pets.xml
index 6b5fa24feb95fa28d239b6401e36a995cd26d09e..f15fe38108bfecea98cc12a80af82e41984ef8f4 100644
--- a/tests/src/main/resources/datasets/owners-remove-with-pets.xml
+++ b/tests/src/main/resources/datasets/owners-remove-with-pets.xml
@@ -6,8 +6,8 @@
     <User login="ana" password="22BEEAE33E9B2657F9610621502CD7A4" role="OWNER"/>
     <User login="lorena" password="05009E420932C21E5A68F5EF1AADD530" role="OWNER"/>
     
-    <Pet id="1" name="Pepecat" animal="CAT" birth="2000-01-01 01:01:01" owner="pepe"/>
-    <Pet id="4" name="Anacat" animal="CAT" birth="2000-01-01 01:01:01" owner="ana"/>
-    <Pet id="5" name="Max" animal="DOG" birth="2000-01-01 01:01:01" owner="ana"/>
-    <Pet id="6" name="Anabird" animal="BIRD" birth="2000-01-01 01:01:01" owner="ana"/>
+    <Pet name="Pepecat" animal="CAT" birth="2000-01-01 01:01:01" owner="pepe"/>
+    <Pet name="Anacat" animal="CAT" birth="2000-01-01 01:01:01" owner="ana"/>
+    <Pet name="Max" animal="DOG" birth="2000-01-01 01:01:01" owner="ana"/>
+    <Pet name="Anabird" animal="BIRD" birth="2000-01-01 01:01:01" owner="ana"/>
 </dataset>
\ No newline at end of file
diff --git a/tests/src/main/resources/datasets/owners-remove-without-pets.xml b/tests/src/main/resources/datasets/owners-remove-without-pets.xml
index 4498c9eeb653223f4783ba2f1f70be2137a7a97d..1730a74375a1c35cff12a3bb92252b991702e2e2 100644
--- a/tests/src/main/resources/datasets/owners-remove-without-pets.xml
+++ b/tests/src/main/resources/datasets/owners-remove-without-pets.xml
@@ -6,10 +6,10 @@
     <User login="juan" password="B4FBB95580592697DC71488A1F19277E" role="OWNER"/>
     <User login="ana" password="22BEEAE33E9B2657F9610621502CD7A4" role="OWNER"/>
     
-    <Pet id="1" name="Pepecat" animal="CAT" birth="2000-01-01 01:01:01" owner="pepe"/>
-    <Pet id="2" name="Max" animal="CAT" birth="2000-01-01 01:01:01" owner="juan"/>
-    <Pet id="3" name="Juandog" animal="DOG" birth="2000-01-01 01:01:01" owner="juan"/>
-    <Pet id="4" name="Anacat" animal="CAT" birth="2000-01-01 01:01:01" owner="ana"/>
-    <Pet id="5" name="Max" animal="DOG" birth="2000-01-01 01:01:01" owner="ana"/>
-    <Pet id="6" name="Anabird" animal="BIRD" birth="2000-01-01 01:01:01" owner="ana"/>
+    <Pet name="Pepecat" animal="CAT" birth="2000-01-01 01:01:01" owner="pepe"/>
+    <Pet name="Max" animal="CAT" birth="2000-01-01 01:01:01" owner="juan"/>
+    <Pet name="Juandog" animal="DOG" birth="2000-01-01 01:01:01" owner="juan"/>
+    <Pet name="Anacat" animal="CAT" birth="2000-01-01 01:01:01" owner="ana"/>
+    <Pet name="Max" animal="DOG" birth="2000-01-01 01:01:01" owner="ana"/>
+    <Pet name="Anabird" animal="BIRD" birth="2000-01-01 01:01:01" owner="ana"/>
 </dataset>
\ No newline at end of file
diff --git a/tests/src/main/resources/datasets/owners-update-password.xml b/tests/src/main/resources/datasets/owners-update-password.xml
index e3ba3ddacbc7956469b43fac80fbd37970e700ae..d08729699c9173dbee64ba87b2dc5a121142c2ea 100644
--- a/tests/src/main/resources/datasets/owners-update-password.xml
+++ b/tests/src/main/resources/datasets/owners-update-password.xml
@@ -7,10 +7,10 @@
     <User login="ana" password="22BEEAE33E9B2657F9610621502CD7A4" role="OWNER"/>
     <User login="lorena" password="05009E420932C21E5A68F5EF1AADD530" role="OWNER"/>
     
-    <Pet id="1" name="Pepecat" animal="CAT" birth="2000-01-01 01:01:01" owner="pepe"/>
-    <Pet id="2" name="Max" animal="CAT" birth="2000-01-01 01:01:01" owner="juan"/>
-    <Pet id="3" name="Juandog" animal="DOG" birth="2000-01-01 01:01:01" owner="juan"/>
-    <Pet id="4" name="Anacat" animal="CAT" birth="2000-01-01 01:01:01" owner="ana"/>
-    <Pet id="5" name="Max" animal="DOG" birth="2000-01-01 01:01:01" owner="ana"/>
-    <Pet id="6" name="Anabird" animal="BIRD" birth="2000-01-01 01:01:01" owner="ana"/>
+    <Pet name="Pepecat" animal="CAT" birth="2000-01-01 01:01:01" owner="pepe"/>
+    <Pet name="Max" animal="CAT" birth="2000-01-01 01:01:01" owner="juan"/>
+    <Pet name="Juandog" animal="DOG" birth="2000-01-01 01:01:01" owner="juan"/>
+    <Pet name="Anacat" animal="CAT" birth="2000-01-01 01:01:01" owner="ana"/>
+    <Pet name="Max" animal="DOG" birth="2000-01-01 01:01:01" owner="ana"/>
+    <Pet name="Anabird" animal="BIRD" birth="2000-01-01 01:01:01" owner="ana"/>
 </dataset>
\ No newline at end of file
diff --git a/tests/src/main/resources/datasets/owners-update-pet.xml b/tests/src/main/resources/datasets/owners-update-pet.xml
index b703c8b4d7668c2a2de462db9cd8f3396a5fba77..689f9652cc5692d8e9af0dbc6be04ed400027f5a 100644
--- a/tests/src/main/resources/datasets/owners-update-pet.xml
+++ b/tests/src/main/resources/datasets/owners-update-pet.xml
@@ -7,10 +7,10 @@
     <User login="ana" password="22BEEAE33E9B2657F9610621502CD7A4" role="OWNER"/>
     <User login="lorena" password="05009E420932C21E5A68F5EF1AADD530" role="OWNER"/>
     
-    <Pet id="1" name="Pepecat" animal="CAT" birth="2000-01-01 01:01:01" owner="pepe"/>
-    <Pet id="2" name="UpdateName" animal="BIRD" birth="2000-01-02 01:01:01" owner="juan"/>
-    <Pet id="3" name="Juandog" animal="DOG" birth="2000-01-01 01:01:01" owner="juan"/>
-    <Pet id="4" name="Anacat" animal="CAT" birth="2000-01-01 01:01:01" owner="ana"/>
-    <Pet id="5" name="Max" animal="DOG" birth="2000-01-01 01:01:01" owner="ana"/>
-    <Pet id="6" name="Anabird" animal="BIRD" birth="2000-01-01 01:01:01" owner="ana"/>
+    <Pet name="Pepecat" animal="CAT" birth="2000-01-01 01:01:01" owner="pepe"/>
+    <Pet name="UpdateName" animal="BIRD" birth="2000-01-02 01:01:01" owner="juan"/>
+    <Pet name="Juandog" animal="DOG" birth="2000-01-01 01:01:01" owner="juan"/>
+    <Pet name="Anacat" animal="CAT" birth="2000-01-01 01:01:01" owner="ana"/>
+    <Pet name="Max" animal="DOG" birth="2000-01-01 01:01:01" owner="ana"/>
+    <Pet name="Anabird" animal="BIRD" birth="2000-01-01 01:01:01" owner="ana"/>
 </dataset>
\ No newline at end of file
diff --git a/tests/src/main/resources/datasets/owners.xml b/tests/src/main/resources/datasets/owners.xml
index 9d770d3d5a6b6fbbc4e2b9b32cf39070e51d2ba6..03dce88091659a9dcb66e9212053fbcfd51aed46 100644
--- a/tests/src/main/resources/datasets/owners.xml
+++ b/tests/src/main/resources/datasets/owners.xml
@@ -7,10 +7,10 @@
     <User login="ana" password="22BEEAE33E9B2657F9610621502CD7A4" role="OWNER"/>
     <User login="lorena" password="05009E420932C21E5A68F5EF1AADD530" role="OWNER"/>
     
-    <Pet id="1" name="Pepecat" animal="CAT" birth="2000-01-01 01:01:01" owner="pepe"/>
-    <Pet id="2" name="Max" animal="CAT" birth="2000-01-01 01:01:01" owner="juan"/>
-    <Pet id="3" name="Juandog" animal="DOG" birth="2000-01-01 01:01:01" owner="juan"/>
-    <Pet id="4" name="Anacat" animal="CAT" birth="2000-01-01 01:01:01" owner="ana"/>
-    <Pet id="5" name="Max" animal="DOG" birth="2000-01-01 01:01:01" owner="ana"/>
-    <Pet id="6" name="Anabird" animal="BIRD" birth="2000-01-01 01:01:01" owner="ana"/>
+    <Pet name="Pepecat" animal="CAT" birth="2000-01-01 01:01:01" owner="pepe"/>
+    <Pet name="Max" animal="CAT" birth="2000-01-01 01:01:01" owner="juan"/>
+    <Pet name="Juandog" animal="DOG" birth="2000-01-01 01:01:01" owner="juan"/>
+    <Pet name="Anacat" animal="CAT" birth="2000-01-01 01:01:01" owner="ana"/>
+    <Pet name="Max" animal="DOG" birth="2000-01-01 01:01:01" owner="ana"/>
+    <Pet name="Anabird" animal="BIRD" birth="2000-01-01 01:01:01" owner="ana"/>
 </dataset>
\ No newline at end of file