Gate SSH integration tests behind explicit opt-in

Author: Jord-JD

composer.json

@@ -14,8 +14,7 @@
     "phpseclib/phpseclib": "^2.0"
   },
   "require-dev": {
-    "phpunit/phpunit": "^7.0||^8.0",
-    "php-coveralls/php-coveralls": "^2.0"
+    "phpunit/phpunit": "^9.6"
   },
   "autoload": {
     "psr-4": {

phpunit.xml

@@ -1,28 +1,10 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<phpunit backupGlobals="false"
-         backupStaticAttributes="false"
-         bootstrap="vendor/autoload.php"
+<phpunit bootstrap="vendor/autoload.php"
          colors="true"
-         convertErrorsToExceptions="true"
-         convertNoticesToExceptions="true"
-         convertWarningsToExceptions="true"
-         processIsolation="false"
-         stopOnFailure="false">
+         cacheResult="false">
     <testsuites>
         <testsuite name="Unit Tests">
-            <directory suffix="Test.php">./tests/Unit</directory>
             <directory suffix="Test.php">./tests/Integration</directory>
         </testsuite>
     </testsuites>
-    <filter>
-        <whitelist>
-            <directory suffix=".php">src</directory>
-            <exclude>
-                <directory suffix=".php">src/Examples</directory>
-            </exclude>
-        </whitelist>
-    </filter>
-    <php>
-        
-    </php>
-</phpunit>
+</phpunit>

tests/Integration/SSHConnectionTest.php

@@ -5,6 +5,15 @@
 
 final class SSHConnectionTest extends TestCase
 {
+    protected function setUp(): void
+    {
+        parent::setUp();
+
+        if (getenv('RUN_SSH_INTEGRATION_TESTS') !== '1') {
+            $this->markTestSkipped('Set RUN_SSH_INTEGRATION_TESTS=1 to run SSH integration tests.');
+        }
+    }
+
     public function testUpload()
     {
         $connection = (new SSHConnection())