test: fix command tests that may hang on linux due to sudo

Author: paulbalandan

tests/system/Commands/Housekeeping/ClearDebugbarTest.php

@@ -91,7 +91,11 @@ public function testClearDebugbarWithError(): void
             @exec('which chattr', $whichOut, $whichRc);
 
             if ($whichRc === 0) {
-                @exec(sprintf('sudo chattr +i %s', escapeshellarg($path)), $output, $rc);
+                @exec(sprintf(
+                    '%schattr +i %s 2>/dev/null',
+                    getenv('GITHUB_ACTIONS') !== false ? 'sudo ' : '', // GHA supports passwordless sudo
+                    escapeshellarg($path),
+                ), $output, $rc);
                 $immutableSet = $rc === 0;
             }
         }

tests/system/Commands/Housekeeping/ClearLogsTest.php

@@ -154,7 +154,11 @@ public function testClearLogsFailsOnChmodFailure(): void
             @exec('which chattr', $whichOut, $whichRc);
 
             if ($whichRc === 0) {
-                @exec(sprintf('sudo chattr +i %s', escapeshellarg($path)), $output, $rc);
+                @exec(sprintf(
+                    '%schattr +i %s 2>/dev/null',
+                    getenv('GITHUB_ACTIONS') !== false ? 'sudo ' : '', // GHA supports passwordless sudo
+                    escapeshellarg($path),
+                ), $output, $rc);
                 $immutableSet = $rc === 0;
             }
         }