Fixed one more unclear variable name

tests/test_build.py

@@ -159,8 +159,8 @@ def test_updated_dependencies(wrappers):
     rc, *_ = run_make(wrapper_main, "cellinstall", module_version=new_version)
     assert rc == 0
 
-    rc, o, _ = run_ioc_get_output(
+    rc, outs, _ = run_ioc_get_output(
         wrapper_main.name, new_version, wrapper_main.path / "cellMods"
     )
     assert rc == 0
-    assert f"Loaded {wrapper_dep.name} version {new_version}" in o
+    assert f"Loaded {wrapper_dep.name} version {new_version}" in outs