Update internal/integrationtest/board/board_test.go

Co-authored-by: Cristian Maglie <[email protected]>

Author: MatteoPologruto

Diff for: internal/integrationtest/board/board_test.go

@@ -59,15 +59,11 @@ func TestBoardListWithInvalidDiscovery(t *testing.T) {
 	// check that the CLI does not crash if an invalid discovery is installed
 	// (for example if the installation fails midway).
 	// https://github.com/arduino/arduino-cli/issues/1669
-	toolDir := cli.DataDir().Join("packages", "builtin", "tools", "serial-discovery")
-	dirToRemove, err := toolDir.ReadDirRecursive()
+	dirsToEmpty, err := toolDir.ReadDir()
 	require.NoError(t, err)
-	for i, d := range dirToRemove {
-		if i != 0 {
-			err = d.RemoveAll()
-			require.NoError(t, err)
-		}
-	}
+	require.Len(t, dirsToEmpty, 1)
+	require.NoError(t, dirsToEmpty[0].RemoveAll())
+	require.NoError(t, dirsToEmpty[0].MkdirAll())
 
 	_, stderr, err := cli.Run("board", "list")
 	require.NoError(t, err)