diff --git a/3_cost_scaling_analysis/tests/data/sample_config.json b/3_cost_scaling_analysis/tests/data/sample_config.json
new file mode 100644
index 0000000..64978e3
--- /dev/null
+++ b/3_cost_scaling_analysis/tests/data/sample_config.json
@@ -0,0 +1,14 @@
+{
+  "workers": [
+    {"worker_count": 1, "cost_per_worker": 10.0, "total_cost": 10.0},
+    {"worker_count": 2, "cost_per_worker": 9.5, "total_cost": 19.0},
+    {"worker_count": 4, "cost_per_worker": 8.0, "total_cost": 32.0},
+    {"worker_count": 8, "cost_per_worker": 7.5, "total_cost": 60.0},
+    {"worker_count": 16, "cost_per_worker": 7.0, "total_cost": 112.0}
+  ],
+  "metadata": {
+    "description": "Beispielkonfiguration für Worker-Kostenanalyse.",
+    "generated_for": "Unit-Tests der CostMetrics-Analyse",
+    "version": "1.0"
+  }
+}
\ No newline at end of file