diff --git a/.travis.yml b/.travis.yml
index 9a5e5c4..ff06c7f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,16 +1,31 @@
 language: php
 
-php:
-  - 5.3
-  - 5.4
-  - 5.5
-  - 5.6
-  - 7
-  - hhvm
+env:
+  - THENEEDFORTHIS=FAIL
+
+matrix:
+  fast_finish: true
+  include:
+    - env: DM=~6.0
+      php: 5.3
+    - env: DM=~5.0
+      php: 5.4
+    - env: DM=~4.2
+      php: 5.5
+    - env: DM=~4.2
+      php: 5.6
+    - env: DM=~4.2
+      php: 7
+    - env: DM=~4.2
+      php: hhvm
+  exclude:
+    - env: THENEEDFORTHIS=FAIL
+  allow_failures:
+    - env: DM=@dev
 
 sudo: false
 
-install: travis_retry composer install --prefer-source
+install: travis_retry composer require "wikibase/data-model=$DM" --prefer-source
 
 script: composer ci
 
diff --git a/tests/unit/Deserializers/LegacyItemDeserializerTest.php b/tests/unit/Deserializers/LegacyItemDeserializerTest.php
index 836c7f6..856fc66 100644
--- a/tests/unit/Deserializers/LegacyItemDeserializerTest.php
+++ b/tests/unit/Deserializers/LegacyItemDeserializerTest.php
@@ -174,7 +174,7 @@ public function testGivenStatementWithLegacyKey_itemHasStatement() {
 	public function testGivenLabels_getLabelsReturnsThem( array $labels ) {
 		$item = $this->itemFromSerialization( array( 'label' => $labels ) );
 
-		$this->assertEquals( $labels, $item->getLabels()->toTextArray() );
+		$this->assertEquals( $labels, $item->getFingerprint()->getLabels()->toTextArray() );
 	}
 
 	public function TermListProvider() {
@@ -199,7 +199,7 @@ public function testGivenInvalidLabels_exceptionIsThrown() {
 	public function testGivenDescriptions_getDescriptionsReturnsThem( array $descriptions ) {
 		$item = $this->itemFromSerialization( array( 'description' => $descriptions ) );
 
-		$this->assertEquals( $descriptions, $item->getDescriptions()->toTextArray() );
+		$this->assertEquals( $descriptions, $item->getFingerprint()->getDescriptions()->toTextArray() );
 	}
 
 	public function testGivenInvalidAliases_exceptionIsThrown() {
@@ -213,7 +213,7 @@ public function testGivenInvalidAliases_exceptionIsThrown() {
 	public function testGivenAliases_getAliasesReturnsThem( array $aliases ) {
 		$item = $this->itemFromSerialization( array( 'aliases' => $aliases ) );
 
-		$this->assertEquals( $aliases, $item->getAliasGroups()->toTextArray() );
+		$this->assertEquals( $aliases, $item->getFingerprint()->getAliasGroups()->toTextArray() );
 	}
 
 	public function aliasesListProvider() {
diff --git a/tests/unit/Deserializers/LegacyPropertyDeserializerTest.php b/tests/unit/Deserializers/LegacyPropertyDeserializerTest.php
index 332249b..b2e26fb 100644
--- a/tests/unit/Deserializers/LegacyPropertyDeserializerTest.php
+++ b/tests/unit/Deserializers/LegacyPropertyDeserializerTest.php
@@ -94,7 +94,7 @@ public function testGivenLabels_getLabelsReturnsThem( array $labels ) {
 			'label' => $labels
 		) );
 
-		$this->assertEquals( $labels, $property->getLabels()->toTextArray() );
+		$this->assertEquals( $labels, $property->getFingerprint()->getLabels()->toTextArray() );
 	}
 
 	public function TermListProvider() {
@@ -123,7 +123,7 @@ public function testGivenDescriptions_getDescriptionsReturnsThem( array $descrip
 			'description' => $descriptions
 		) );
 
-		$this->assertEquals( $descriptions, $property->getDescriptions()->toTextArray() );
+		$this->assertEquals( $descriptions, $property->getFingerprint()->getDescriptions()->toTextArray() );
 	}
 
 	public function testGivenInvalidAliases_exceptionIsThrown() {
@@ -141,7 +141,7 @@ public function testGivenAliases_getAliasesReturnsThem( array $aliases ) {
 			'aliases' => $aliases
 		) );
 
-		$this->assertEquals( $aliases, $property->getAliasGroups()->toTextArray() );
+		$this->assertEquals( $aliases, $property->getFingerprint()->getAliasGroups()->toTextArray() );
 	}
 
 	public function aliasesListProvider() {