Updates test

dev/test_mb_2024_0_mux_2024.py

+import importlib
 import time
 from ohmpi.utils import change_config
 from ohmpi.plots import plot_exec_log
@@ -21,6 +22,14 @@ if stand_alone_mux:
     tx = tx_module.Rx(**HARDWARE_CONFIG['tx'])
     ctl = ctl_module.Rx(**HARDWARE_CONFIG['ctl'])
     pwr = pwr_module.Rx(**HARDWARE_CONFIG['pwr'])
+    HARDWARE_CONFIG['tx'].update({'connection': HARDWARE_CONFIG['tx'].pop('connection',
+                                                                          HARDWARE_CONFIG['rx']['ctl'].interfaces[
+                                                                              HARDWARE_CONFIG['tx'].pop(
+                                                                                  'interface_name', 'i2c')])})
+    HARDWARE_CONFIG['rx'].update({'connection': HARDWARE_CONFIG['rx'].pop('connection',
+                                                                          HARDWARE_CONFIG['rx']['ctl'].interfaces[
+                                                                              HARDWARE_CONFIG['rx'].pop(
+                                                                                  'interface_name', 'i2c')])})
 
     tx.polarity = 1
     time.sleep(1)
@@ -66,4 +75,4 @@ if within_ohmpi:
     print(f'OhmPi: Resistance: {d["R [ohm]"] :.2f} ohm, dev. {d["R_std [%]"]:.2f} %, rx bias: {k._hw.rx._bias:.2f} mV')
     k._hw._plot_readings(save_fig=False)
     # plot_exec_log('ohmpi/logs/exec.log')
-change_config('../configs/config_default.py', verbose=False)
+change_config('../configs/config_default.py', verbose=False)
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