Fix warnings found running php8.4 and PHPUnit 11.5.0

Author: pitbulk

tests/src/OneLogin/Saml2/ResponseTest.php

@@ -1607,10 +1607,12 @@ public function testIsInValidCert()
 
         $response = new Response($settings, $xml);
 
-        $this->assertFalse($response->isValid());
+        $this->assertFalse(@$response->isValid());
+
         $possibleErrors = [
           "openssl_x509_read(): supplied parameter cannot be coerced into an X509 certificate!",
-          "openssl_x509_read(): X.509 Certificate cannot be retrieved"
+          "openssl_x509_read(): X.509 Certificate cannot be retrieved",
+          "Unable to extract public key"
         ];
         $this->assertTrue(in_array($response->getError(), $possibleErrors));
     }

tests/src/OneLogin/Saml2/SettingsTest.php

@@ -271,7 +271,7 @@ public function testThatOnlyBooleansCanBeUsedForCompressionSettings($invalidValu
         $this->assertTrue($responsesIsInvalid);
     }
 
-    public function invalidCompressSettingsProvider()
+    static public function invalidCompressSettingsProvider()
     {
         return array(
             array(1),
@@ -539,7 +539,7 @@ public function testGetSPMetadataWithX509CertNew($alwaysIncludeEncryption, $want
         $this->assertEquals($expectEncryptionKeyDescriptor ? 2 : 0, substr_count($metadata, '<md:KeyDescriptor use="encryption"'));
     }
 
-    public function getSPMetadataWithX509CertNewDataProvider()
+    static public function getSPMetadataWithX509CertNewDataProvider()
     {
         return [
             'settings do not require encryption' => [