test(CertificateAuthority): ensure digest_alg is set for test CAs

Author: jaredhendrickson13

pfSense-pkg-RESTAPI/files/usr/local/pkg/RESTAPI/Tests/APIModelsCertificateAuthorityTestCase.inc

@@ -155,11 +155,11 @@ R02Pul8ulWQ8Kl3Q3pou8As7W1mMzA2DxQ==
      */
     public function test_multi_ca_deletion(): void {
         # Create 3 CAs for testing
-        $ca1 = new CertificateAuthorityGenerate(descr: 'ca1', keytype: 'RSA', keylen: 2048);
+        $ca1 = new CertificateAuthorityGenerate(descr: 'ca1', keytype: 'RSA', keylen: 2048, digest_alg: 'sha256');
         $ca1->create();
-        $ca2 = new CertificateAuthorityGenerate(descr: 'ca2', keytype: 'RSA', keylen: 2048);
+        $ca2 = new CertificateAuthorityGenerate(descr: 'ca2', keytype: 'RSA', keylen: 2048, digest_alg: 'sha256');
         $ca2->create();
-        $ca3 = new CertificateAuthorityGenerate(descr: 'ca3', keytype: 'RSA', keylen: 2048);
+        $ca3 = new CertificateAuthorityGenerate(descr: 'ca3', keytype: 'RSA', keylen: 2048, digest_alg: 'sha256');
         $ca3->create();
 
         # Delete CA 2 and ensure CA 1 and CA 3 still exist