Print error messages for managed identity test (#1392)

* Print error messages for managed identity test

* Skip appveyor MSI tests

* Skip msi tests for unix

.gitignore

@@ -0,0 +1,9 @@
+.vs
+.vscode
+__pycache__
+*.diff
+*.exp
+*.log
+*.sh
+*.out
+test/**/**/*.php

appveyor.yml

@@ -12,6 +12,7 @@ environment:
     SQLSRV_DBNAME: msphpsql_sqlsrv
     PDOSQLSRV_DBNAME: msphpsql_pdosqlsrv
     PYTHON: c:\Python36
+    APPVEYOR: true
     # For details about Appveyor build worker images (VM template): https://www.appveyor.com/docs/build-environment/#build-worker-images
     matrix:
       - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017

test/functional/pdo_sqlsrv/pdo_azure_ad_managed_identity.phpt

@@ -3,7 +3,11 @@ Test some error conditions of Azure AD Managed Identity support
 --DESCRIPTION--
 This test expects certain exceptions to be thrown under some conditions.
 --SKIPIF--
-<?php require('skipif.inc');?>
+<?php 
+require('skipif.inc');
+require('skipif_Appveyor.inc');
+require('skipif_unix.inc');
+?>
 --FILE--
 <?php
 require_once("MsCommon_mid-refactor.inc");
@@ -41,7 +45,9 @@ function connectInvalidServer()
             $conn = new PDO("sqlsrv:server = invalidServer; $connectionInfo", null, null);
             echo $message . $testCase . PHP_EOL;
         } catch(PDOException $e) {
-            // TODO: check the exception message here
+            echo "Failed to connect\n";
+            print_r($e->getMessage());
+            echo "\n";
         }
     } catch(PDOException $e) {
         print_r($e->getMessage());
@@ -72,7 +78,9 @@ function connectInvalidServerWithUser()
             $conn = new PDO("sqlsrv:server = invalidServer; $connectionInfo", $user, null);
             echo $message . $testCase . PHP_EOL;
         } catch(PDOException $e) {
-            // TODO: check the exception message here
+            echo "Failed to connect\n";
+            print_r($e->getMessage());
+            echo "\n";
         }
     } catch(PDOException $e) {
         print_r($e->getMessage());

test/functional/pdo_sqlsrv/skipif_Appveyor.inc

@@ -0,0 +1,4 @@
+<?php
+if (getenv('APPVEYOR')) {
+    die("skip Appveyor pipeline");
+}