Scala3doc: document testcases

Author: abgruszecki

.github/workflows/scala3doc.yaml

@@ -48,9 +48,12 @@ jobs:
       - name: Locally publish self
         run: ./project/scripts/sbt scala3doc/publishLocal
 
-      - name: Generate test documentation
+      - name: Generate self documentation
         run: ./project/scripts/sbt scala3doc/generateSelfDocumentation
 
+      - name: Generate testcases documentation
+        run: ./project/scripts/sbt scala3doc/generateTestcasesDocumentation
+
       - name: Generate Scala 3 documentation
         run: ./project/scripts/sbt scala3doc/generateScala3Documentation