Fix test failures

Author: jmikola

tests/connect/bug0720.phpt

@@ -22,7 +22,7 @@ printf("ping: %d\n", $cursor->toArray()[0]->ok);
 
 unset($manager, $cursor);
 
-$manager = create_test_manager(URI, [], $driverOptions);
+$manager = create_test_manager(URI, $uriOptions);
 $cursor = $manager->executeCommand(DATABASE_NAME, new MongoDB\Driver\Command(['ping' => 1]));
 printf("ping: %d\n", $cursor->toArray()[0]->ok);
 

tests/manager/bug0940-001.phpt

@@ -6,7 +6,9 @@ PHPC-940: php_phongo_free_ssl_opt() attempts to free interned strings
 --FILE--
 <?php
 
-var_dump(new MongoDB\Driver\Manager(null, ['tlsCAFile' => false]));
+/* Note: an empty string is interned, but php_phongo_fetch_string() calls
+ * estrndup() for pfree=false so php_phongo_free_ssl_opt() will still efree() */
+var_dump(new MongoDB\Driver\Manager(null, [], ['ca_dir' => '']));
 
 ?>
 ===DONE===