fix: remove unused assignment and import warnings in tests

docs/arch/lucy/module/aiss_worker.mmd

@@ -0,0 +1,9 @@
+graph TD
+    Aiss_worker[Aiss_worker]
+    class aiss_worker_module["Aiss_worker"] {
+        <<module>>
+    }
+    class commons_module["Commons"] {
+        <<module>>
+    }
+    aiss_worker_module --> commons_module : 1 dep

docs/arch/lucy/module/api.mmd

@@ -0,0 +1,9 @@
+graph TD
+    Api[Api]
+    class api_module["Api"] {
+        <<module>>
+    }
+    class commons_module["Commons"] {
+        <<module>>
+    }
+    api_module --> commons_module : 3 deps

docs/arch/lucy/module/commons.mmd

@@ -0,0 +1,2 @@
+graph TD
+    Commons[Commons]

docs/arch/lucy/module/overview.mmd

@@ -0,0 +1,10 @@
+graph TD
+    Aiss_worker[Aiss_worker]
+    Api[Api]
+    Worker[Worker]
+    Commons[Commons]
+    Worker -->|1 dep| Api
+    Aiss_worker -->|7 deps| Commons
+    Aiss_worker -->|1 dep| Api
+    Api -->|23 deps| Commons
+    Worker -->|12 deps| Commons

docs/arch/lucy/module/worker.mmd

@@ -0,0 +1,9 @@
+graph TD
+    Worker[Worker]
+    class worker_module["Worker"] {
+        <<module>>
+    }
+    class commons_module["Commons"] {
+        <<module>>
+    }
+    worker_module --> commons_module : 2 deps