Skip known/expected test failures in AppVeyor

Author: jmikola

tests/apm/monitoring-commandFailed-001.phpt

@@ -2,6 +2,7 @@
 MongoDB\Driver\Monitoring\CommandFailedEvent
 --SKIPIF--
 <?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
+<?php skip_if_appveyor(); /* TODO: PHPC-1613 */ ?>
 <?php skip_if_not_live(); ?>
 <?php skip_if_not_clean(); ?>
 --FILE--

tests/apm/monitoring-commandSucceeded-001.phpt

@@ -2,6 +2,7 @@
 MongoDB\Driver\Monitoring\CommandSucceededEvent
 --SKIPIF--
 <?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
+<?php skip_if_appveyor(); /* TODO: PHPC-1613 */ ?>
 <?php skip_if_not_live(); ?>
 <?php skip_if_not_clean(); ?>
 --FILE--

tests/manager/manager-ctor-auto_encryption-001.phpt

@@ -2,6 +2,7 @@
 MongoDB\Driver\Manager::__construct(): auto encryption options
 --SKIPIF--
 <?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
+<?php skip_if_appveyor(); /* AppVeyor does not have mongocryptd installed */ ?>
 <?php skip_if_not_libmongocrypt(); ?>
 --FILE--
 <?php

tests/utils/skipif.php

@@ -431,3 +431,10 @@ function skip_if_no_mongo_orchestration()
         exit("skip mongo-orchestration is not accessible: '" . MONGO_ORCHESTRATION_URI . "'");
     }
 }
+
+function skip_if_appveyor()
+{
+    if (getenv('APPVEYOR')) {
+        exit('skip Test cannot be run on AppVeyor');
+    }
+}