diff --git a/src/agents/pi-tools.before-tool-call.test.ts b/src/agents/pi-tools.before-tool-call.test.ts
index df5d9d3a2c..3348c3e334 100644
--- a/src/agents/pi-tools.before-tool-call.test.ts
+++ b/src/agents/pi-tools.before-tool-call.test.ts
@@ -109,6 +109,18 @@ describe("before_tool_call loop detection behavior", () => {
       }
     }
   }
+
+  function createGenericReadRepeatFixture() {
+    const execute = vi.fn().mockResolvedValue({
+      content: [{ type: "text", text: "same output" }],
+      details: { ok: true },
+    });
+    return {
+      tool: createWrappedTool("read", execute),
+      params: { path: "/tmp/file" },
+    };
+  }
+
   it("blocks known poll loops when no progress repeats", async () => {
     const execute = vi.fn().mockResolvedValue({
       content: [{ type: "text", text: "(no new output)\n\nProcess still running." }],
@@ -160,12 +172,7 @@ describe("before_tool_call loop detection behavior", () => {
   });
 
   it("keeps generic repeated calls warn-only below global breaker", async () => {
-    const execute = vi.fn().mockResolvedValue({
-      content: [{ type: "text", text: "same output" }],
-      details: { ok: true },
-    });
-    const tool = createWrappedTool("read", execute);
-    const params = { path: "/tmp/file" };
+    const { tool, params } = createGenericReadRepeatFixture();
 
     for (let i = 0; i < CRITICAL_THRESHOLD + 5; i += 1) {
       await expect(tool.execute(`read-${i}`, params, undefined, undefined)).resolves.toBeDefined();
@@ -173,12 +180,7 @@ describe("before_tool_call loop detection behavior", () => {
   });
 
   it("blocks generic repeated no-progress calls at global breaker threshold", async () => {
-    const execute = vi.fn().mockResolvedValue({
-      content: [{ type: "text", text: "same output" }],
-      details: { ok: true },
-    });
-    const tool = createWrappedTool("read", execute);
-    const params = { path: "/tmp/file" };
+    const { tool, params } = createGenericReadRepeatFixture();
 
     for (let i = 0; i < GLOBAL_CIRCUIT_BREAKER_THRESHOLD; i += 1) {
       await expect(tool.execute(`read-${i}`, params, undefined, undefined)).resolves.toBeDefined();
@@ -192,12 +194,7 @@ describe("before_tool_call loop detection behavior", () => {
   it("coalesces repeated generic warning events into threshold buckets", async () => {
     await withToolLoopEvents(
       async (emitted) => {
-        const execute = vi.fn().mockResolvedValue({
-          content: [{ type: "text", text: "same output" }],
-          details: { ok: true },
-        });
-        const tool = createWrappedTool("read", execute);
-        const params = { path: "/tmp/file" };
+        const { tool, params } = createGenericReadRepeatFixture();
 
         for (let i = 0; i < 21; i += 1) {
           await tool.execute(`read-bucket-${i}`, params, undefined, undefined);