diff --git a/tests/WSSecurity/XML/fed/ApplicationServiceEndpointTest.php b/tests/WSSecurity/XML/fed/ApplicationServiceEndpointTest.php
index 9e4bdca..8677485 100644
--- a/tests/WSSecurity/XML/fed/ApplicationServiceEndpointTest.php
+++ b/tests/WSSecurity/XML/fed/ApplicationServiceEndpointTest.php
@@ -102,8 +102,8 @@ public function testMarshalling(): void
 
         $endpointReference = new EndpointReference(
             new Address('https://login.microsoftonline.com/login.srf', [$attr2]),
-            [$referenceParameters],
-            [$metadata],
+            $referenceParameters,
+            $metadata,
             [$chunk],
             [$attr1],
         );
diff --git a/tests/WSSecurity/XML/fed/AttributeServiceEndpointTest.php b/tests/WSSecurity/XML/fed/AttributeServiceEndpointTest.php
index 51e8a0b..b67510f 100644
--- a/tests/WSSecurity/XML/fed/AttributeServiceEndpointTest.php
+++ b/tests/WSSecurity/XML/fed/AttributeServiceEndpointTest.php
@@ -105,8 +105,8 @@ public function testMarshalling(): void
 
         $endpointReference = new EndpointReference(
             new Address('https://login.microsoftonline.com/login.srf', [$attr2]),
-            [$referenceParameters],
-            [$metadata],
+            $referenceParameters,
+            $metadata,
             [$chunk],
             [$attr1],
         );
diff --git a/tests/WSSecurity/XML/fed/AttributeServiceEndpointsTest.php b/tests/WSSecurity/XML/fed/AttributeServiceEndpointsTest.php
index 8b923fb..08ccb5b 100644
--- a/tests/WSSecurity/XML/fed/AttributeServiceEndpointsTest.php
+++ b/tests/WSSecurity/XML/fed/AttributeServiceEndpointsTest.php
@@ -102,8 +102,8 @@ public function testMarshalling(): void
 
         $endpointReference = new EndpointReference(
             new Address('https://login.microsoftonline.com/login.srf', [$attr2]),
-            [$referenceParameters],
-            [$metadata],
+            $referenceParameters,
+            $metadata,
             [$chunk],
             [$attr1],
         );
diff --git a/tests/WSSecurity/XML/fed/PassiveRequestorEndpointTest.php b/tests/WSSecurity/XML/fed/PassiveRequestorEndpointTest.php
index 9b64393..85d4f85 100644
--- a/tests/WSSecurity/XML/fed/PassiveRequestorEndpointTest.php
+++ b/tests/WSSecurity/XML/fed/PassiveRequestorEndpointTest.php
@@ -102,8 +102,8 @@ public function testMarshalling(): void
 
         $endpointReference = new EndpointReference(
             new Address('https://login.microsoftonline.com/login.srf', [$attr2]),
-            [$referenceParameters],
-            [$metadata],
+            $referenceParameters,
+            $metadata,
             [$chunk],
             [$attr1],
         );
diff --git a/tests/WSSecurity/XML/fed/PassiveRequestorEndpointsTest.php b/tests/WSSecurity/XML/fed/PassiveRequestorEndpointsTest.php
index 9371859..85edfaa 100644
--- a/tests/WSSecurity/XML/fed/PassiveRequestorEndpointsTest.php
+++ b/tests/WSSecurity/XML/fed/PassiveRequestorEndpointsTest.php
@@ -102,8 +102,8 @@ public function testMarshalling(): void
 
         $endpointReference = new EndpointReference(
             new Address('https://login.microsoftonline.com/login.srf', [$attr2]),
-            [$referenceParameters],
-            [$metadata],
+            $referenceParameters,
+            $metadata,
             [$chunk],
             [$attr1],
         );
diff --git a/tests/WSSecurity/XML/fed/PseudonymServiceEndpointTest.php b/tests/WSSecurity/XML/fed/PseudonymServiceEndpointTest.php
index 0d14e84..01f0496 100644
--- a/tests/WSSecurity/XML/fed/PseudonymServiceEndpointTest.php
+++ b/tests/WSSecurity/XML/fed/PseudonymServiceEndpointTest.php
@@ -102,8 +102,8 @@ public function testMarshalling(): void
 
         $endpointReference = new EndpointReference(
             new Address('https://login.microsoftonline.com/login.srf', [$attr2]),
-            [$referenceParameters],
-            [$metadata],
+            $referenceParameters,
+            $metadata,
             [$chunk],
             [$attr1],
         );
diff --git a/tests/WSSecurity/XML/fed/ReferenceEPRTest.php b/tests/WSSecurity/XML/fed/ReferenceEPRTest.php
index 9aaec3f..c02ad90 100644
--- a/tests/WSSecurity/XML/fed/ReferenceEPRTest.php
+++ b/tests/WSSecurity/XML/fed/ReferenceEPRTest.php
@@ -89,8 +89,8 @@ public function testMarshalling(): void
 
         $referenceEPR = new ReferenceEPR(
             new Address('https://login.microsoftonline.com/login.srf', [$attr2]),
-            [$referenceParameters],
-            [$metadata],
+            $referenceParameters,
+            $metadata,
             [$chunk],
             [$attr1],
         );
diff --git a/tests/WSSecurity/XML/fed/ReferenceTokenTest.php b/tests/WSSecurity/XML/fed/ReferenceTokenTest.php
index 8359c5d..3feb213 100644
--- a/tests/WSSecurity/XML/fed/ReferenceTokenTest.php
+++ b/tests/WSSecurity/XML/fed/ReferenceTokenTest.php
@@ -117,8 +117,8 @@ public function testMarshalling(): void
 
         $referenceEPR = new ReferenceEPR(
             new Address('https://login.microsoftonline.com/login.srf', [$attr3]),
-            [$referenceParameters],
-            [$metadata],
+            $referenceParameters,
+            $metadata,
             [$chunk],
             [$attr2],
         );
diff --git a/tests/WSSecurity/XML/fed/SecurityTokenServiceEndpointTest.php b/tests/WSSecurity/XML/fed/SecurityTokenServiceEndpointTest.php
index 2a3775c..0563440 100644
--- a/tests/WSSecurity/XML/fed/SecurityTokenServiceEndpointTest.php
+++ b/tests/WSSecurity/XML/fed/SecurityTokenServiceEndpointTest.php
@@ -102,8 +102,8 @@ public function testMarshalling(): void
 
         $endpointReference = new EndpointReference(
             new Address('https://login.microsoftonline.com/login.srf', [$attr2]),
-            [$referenceParameters],
-            [$metadata],
+            $referenceParameters,
+            $metadata,
             [$chunk],
             [$attr1],
         );
diff --git a/tests/WSSecurity/XML/fed/SingleSignOutNotificationEndpointTest.php b/tests/WSSecurity/XML/fed/SingleSignOutNotificationEndpointTest.php
index a370474..4ae72fa 100644
--- a/tests/WSSecurity/XML/fed/SingleSignOutNotificationEndpointTest.php
+++ b/tests/WSSecurity/XML/fed/SingleSignOutNotificationEndpointTest.php
@@ -102,8 +102,8 @@ public function testMarshalling(): void
 
         $endpointReference = new EndpointReference(
             new Address('https://login.microsoftonline.com/login.srf', [$attr2]),
-            [$referenceParameters],
-            [$metadata],
+            $referenceParameters,
+            $metadata,
             [$chunk],
             [$attr1],
         );
diff --git a/tests/WSSecurity/XML/fed/SingleSignOutNotificationEndpointsTest.php b/tests/WSSecurity/XML/fed/SingleSignOutNotificationEndpointsTest.php
index 4d28b43..7590100 100644
--- a/tests/WSSecurity/XML/fed/SingleSignOutNotificationEndpointsTest.php
+++ b/tests/WSSecurity/XML/fed/SingleSignOutNotificationEndpointsTest.php
@@ -102,8 +102,8 @@ public function testMarshalling(): void
 
         $endpointReference = new EndpointReference(
             new Address('https://login.microsoftonline.com/login.srf', [$attr2]),
-            [$referenceParameters],
-            [$metadata],
+            $referenceParameters,
+            $metadata,
             [$chunk],
             [$attr1],
         );
diff --git a/tests/WSSecurity/XML/fed/SingleSignOutSubscriptionEndpointTest.php b/tests/WSSecurity/XML/fed/SingleSignOutSubscriptionEndpointTest.php
index be6fa24..c67dd98 100644
--- a/tests/WSSecurity/XML/fed/SingleSignOutSubscriptionEndpointTest.php
+++ b/tests/WSSecurity/XML/fed/SingleSignOutSubscriptionEndpointTest.php
@@ -102,8 +102,8 @@ public function testMarshalling(): void
 
         $endpointReference = new EndpointReference(
             new Address('https://login.microsoftonline.com/login.srf', [$attr2]),
-            [$referenceParameters],
-            [$metadata],
+            $referenceParameters,
+            $metadata,
             [$chunk],
             [$attr1],
         );
diff --git a/tests/WSSecurity/XML/fed/SingleSignOutSubscriptionEndpointsTest.php b/tests/WSSecurity/XML/fed/SingleSignOutSubscriptionEndpointsTest.php
index ed3b0a4..3a6efad 100644
--- a/tests/WSSecurity/XML/fed/SingleSignOutSubscriptionEndpointsTest.php
+++ b/tests/WSSecurity/XML/fed/SingleSignOutSubscriptionEndpointsTest.php
@@ -102,8 +102,8 @@ public function testMarshalling(): void
 
         $endpointReference = new EndpointReference(
             new Address('https://login.microsoftonline.com/login.srf', [$attr2]),
-            [$referenceParameters],
-            [$metadata],
+            $referenceParameters,
+            $metadata,
             [$chunk],
             [$attr1],
         );
diff --git a/tests/WSSecurity/XML/fed/TargetScopesTest.php b/tests/WSSecurity/XML/fed/TargetScopesTest.php
index 05961de..76b89df 100644
--- a/tests/WSSecurity/XML/fed/TargetScopesTest.php
+++ b/tests/WSSecurity/XML/fed/TargetScopesTest.php
@@ -102,8 +102,8 @@ public function testMarshalling(): void
 
         $endpointReference = new EndpointReference(
             new Address('https://login.microsoftonline.com/login.srf', [$attr2]),
-            [$referenceParameters],
-            [$metadata],
+            $referenceParameters,
+            $metadata,
             [$chunk],
             [$attr1],
         );
diff --git a/tests/WSSecurity/XML/sp_200702/IssuerTest.php b/tests/WSSecurity/XML/sp_200702/IssuerTest.php
index 7b196d2..20ee923 100644
--- a/tests/WSSecurity/XML/sp_200702/IssuerTest.php
+++ b/tests/WSSecurity/XML/sp_200702/IssuerTest.php
@@ -88,8 +88,8 @@ public function testMarshalling(): void
 
         $issuer = new Issuer(
             new Address('https://login.microsoftonline.com/login.srf', [$attr2]),
-            [$referenceParameters],
-            [$metadata],
+            $referenceParameters,
+            $metadata,
             [$chunk],
             [$attr1],
         );
diff --git a/tests/WSSecurity/XML/wsa_200508/EndpointReferenceTest.php b/tests/WSSecurity/XML/wsa_200508/EndpointReferenceTest.php
index e4a9f3e..0e69cba 100644
--- a/tests/WSSecurity/XML/wsa_200508/EndpointReferenceTest.php
+++ b/tests/WSSecurity/XML/wsa_200508/EndpointReferenceTest.php
@@ -92,8 +92,8 @@ public function testMarshalling(): void
 
         $endpointReference = new EndpointReference(
             new Address('https://login.microsoftonline.com/login.srf', [$attr2]),
-            [$referenceParameters],
-            [$metadata],
+            $referenceParameters,
+            $metadata,
             [$chunk],
             [$attr1],
         );
diff --git a/tests/WSSecurity/XML/wsa_200508/FaultToTest.php b/tests/WSSecurity/XML/wsa_200508/FaultToTest.php
index c089d25..e1b4210 100644
--- a/tests/WSSecurity/XML/wsa_200508/FaultToTest.php
+++ b/tests/WSSecurity/XML/wsa_200508/FaultToTest.php
@@ -95,8 +95,8 @@ public function testMarshalling(): void
 
         $faultTo = new FaultTo(
             new Address('https://login.microsoftonline.com/login.srf', [$attr2]),
-            [$referenceParameters],
-            [$metadata],
+            $referenceParameters,
+            $metadata,
             [$chunk],
             [$attr1],
         );
diff --git a/tests/WSSecurity/XML/wsa_200508/FromTest.php b/tests/WSSecurity/XML/wsa_200508/FromTest.php
index 5f3b0f8..91174b6 100644
--- a/tests/WSSecurity/XML/wsa_200508/FromTest.php
+++ b/tests/WSSecurity/XML/wsa_200508/FromTest.php
@@ -95,8 +95,8 @@ public function testMarshalling(): void
 
         $from = new From(
             new Address('https://login.microsoftonline.com/login.srf', [$attr2]),
-            [$referenceParameters],
-            [$metadata],
+            $referenceParameters,
+            $metadata,
             [$chunk],
             [$attr1],
         );
diff --git a/tests/WSSecurity/XML/wsa_200508/ReplyToTest.php b/tests/WSSecurity/XML/wsa_200508/ReplyToTest.php
index 9317bbf..8ed753b 100644
--- a/tests/WSSecurity/XML/wsa_200508/ReplyToTest.php
+++ b/tests/WSSecurity/XML/wsa_200508/ReplyToTest.php
@@ -95,8 +95,8 @@ public function testMarshalling(): void
 
         $replyTo = new ReplyTo(
             new Address('https://login.microsoftonline.com/login.srf', [$attr2]),
-            [$referenceParameters],
-            [$metadata],
+            $referenceParameters,
+            $metadata,
             [$chunk],
             [$attr1],
         );
diff --git a/tests/WSSecurity/XML/wst/IssuerTest.php b/tests/WSSecurity/XML/wst/IssuerTest.php
index 7fc8fab..a12f06b 100644
--- a/tests/WSSecurity/XML/wst/IssuerTest.php
+++ b/tests/WSSecurity/XML/wst/IssuerTest.php
@@ -88,8 +88,8 @@ public function testMarshalling(): void
 
         $issuer = new Issuer(
             new Address('https://login.microsoftonline.com/login.srf', [$attr2]),
-            [$referenceParameters],
-            [$metadata],
+            $referenceParameters,
+            $metadata,
             [$chunk],
             [$attr1],
         );
diff --git a/tests/WSSecurity/XML/wsx/MetadataReferenceTest.php b/tests/WSSecurity/XML/wsx/MetadataReferenceTest.php
index d5e3f14..6cffa30 100644
--- a/tests/WSSecurity/XML/wsx/MetadataReferenceTest.php
+++ b/tests/WSSecurity/XML/wsx/MetadataReferenceTest.php
@@ -77,8 +77,8 @@ public function testMarshalling(): void
 
         $endpointReference = new EndpointReference(
             new Address('https://login.microsoftonline.com/login.srf', [$attr2]),
-            [],
-            [],
+            null,
+            null,
             [$chunk],
             [$attr1],
         );