test-vm: Resize terminal to host terminal size

hosts/test-vm/configuration.nix

@@ -31,6 +31,11 @@
       };
     };
 
+    # Resize terminal to host terminal size
+    environment.loginShellInit = ''
+      ${pkgs.xterm}/bin/resize
+    '';
+
     environment.interactiveShellInit = ''
       alias sd='sudo shutdown now'
     '';