Fix travis

Author: pitbulk

tests/src/OneLogin/Saml2/UtilsTest.php

@@ -855,18 +855,19 @@ public function testGenerateNameIdWithSPNameQualifier()
         $this->assertContains($nameidExpectedEnc, $nameIdEnc);
 
         // Check AES128_GCM support
-
-        $nameidExpectedEnc = '<saml:EncryptedID><xenc:EncryptedData xmlns:xenc="http://www.w3.org/2001/04/xmlenc#" xmlns:dsig="http://www.w3.org/2000/09/xmldsig#" Type="http://www.w3.org/2001/04/xmlenc#Element"><xenc:EncryptionMethod Algorithm="http://www.w3.org/2009/xmlenc11#aes128-gcm"/><dsig:KeyInfo xmlns:dsig="http://www.w3.org/2000/09/xmldsig#"><xenc:EncryptedKey><xenc:EncryptionMethod Algorithm="http://www.w3.org/2001/04/xmlenc#rsa-oaep-mgf1p"/><xenc:CipherData><xenc:CipherValue>';
-
-        $nameIdEnc = Utils::generateNameId(
-            $nameIdValue,
-            $entityId,
-            $nameIDFormat,
-            $key,
-            null,
-            XMLSecurityKey::AES128_GCM
-        );
-        $this->assertContains($nameidExpectedEnc, $nameIdEnc);
+        if (in_array("aes-128-gcm", openssl_get_cipher_methods())) {
+            $nameidExpectedEnc = '<saml:EncryptedID><xenc:EncryptedData xmlns:xenc="http://www.w3.org/2001/04/xmlenc#" xmlns:dsig="http://www.w3.org/2000/09/xmldsig#" Type="http://www.w3.org/2001/04/xmlenc#Element"><xenc:EncryptionMethod Algorithm="http://www.w3.org/2009/xmlenc11#aes128-gcm"/><dsig:KeyInfo xmlns:dsig="http://www.w3.org/2000/09/xmldsig#"><xenc:EncryptedKey><xenc:EncryptionMethod Algorithm="http://www.w3.org/2001/04/xmlenc#rsa-oaep-mgf1p"/><xenc:CipherData><xenc:CipherValue>';
+
+       	    $nameIdEnc = Utils::generateNameId(
+                $nameIdValue,
+                $entityId,
+                $nameIDFormat,
+                $key,
+                null,
+                XMLSecurityKey::AES128_GCM
+            );
+            $this->assertContains($nameidExpectedEnc, $nameIdEnc);
+        }
     }
 
     /**