fix(kanban): compile instrumented regression tests (#1137)

app/src/androidTest/java/com/m57/hermescontrol/ui/kanban/KanbanScreenTest.kt

@@ -1,6 +1,5 @@
 package com.m57.hermescontrol.ui.kanban
 
-import androidx.compose.ui.test.assertDoesNotExist
 import androidx.compose.ui.test.assertIsDisplayed
 import androidx.compose.ui.test.junit4.createComposeRule
 import androidx.compose.ui.test.onNodeWithTag