fix test includes

Signed-off-by: sigma67 <[email protected]>

Author: sigma67

pyproject.toml

@@ -44,7 +44,8 @@ schema = [
 ] # for schema validation for needsimport and ontology
 test = [
   "defusedxml~=0.7.1",
-  "matplotlib>=3.3.0",
+  { include-group = "plotting" },
+  { include-group = "schema" },
   "pytest~=8.0",
   "pytest-cov~=6.0",
   "syrupy~=4.0",