feat(content): function signatures + test cases

backend/data/questions/dota2-senate.yaml

@@ -9,6 +9,30 @@ categories:
 patterns:
   - greedy
 
+function_signature: "def predict_party_victory(senate: str) -> str:"
+
+test_cases:
+  visible:
+    - input: { senate: "RD" }
+      expected: "Radiant"
+    - input: { senate: "RDD" }
+      expected: "Dire"
+  hidden:
+    - input: { senate: "R" }
+      expected: "Radiant"
+    - input: { senate: "D" }
+      expected: "Dire"
+    - input: { senate: "RRDD" }
+      expected: "Radiant"
+    - input: { senate: "DRRD" }
+      expected: "Dire"
+    - input: { senate: "RRDDD" }
+      expected: "Dire"
+    - input: { senate: "DDRRRR" }
+      expected: "Radiant"
+    - input: { senate: "RDRDRD" }
+      expected: "Radiant"
+
 description: |
   In the world of Dota2, there are two parties: the **Radiant** and the **Dire**.