diff --git a/tests/adapters/abort-race.test.ts b/tests/adapters/abort-race.test.ts
index 7843e1c0871..adfcdf659ce 100644
--- a/tests/adapters/abort-race.test.ts
+++ b/tests/adapters/abort-race.test.ts
@@ -4,12 +4,17 @@ import type { AdapterEvent, OcxConfig, OcxProviderConfig } from "../../src/types
 import { acquireOwnedSpendHome } from "../helpers/owned-spend-home";
 
 const actualResolver = await import("../../src/server/adapter-resolve");
+// Capture the real function before the override. `mock.module` rewrites the namespace's live
+// binding in place, so a lookup through `actualResolver` inside the wrapper would reach
+// whichever override is current, including this one, once another file in the same process
+// has mocked this module too.
+const actualResolveAdapter = actualResolver.resolveAdapter;
 let adapterFactory: ((provider: OcxProviderConfig) => ProviderAdapter) | undefined;
 
 mock.module("../../src/server/adapter-resolve", () => ({
   ...actualResolver,
   resolveAdapter(provider: OcxProviderConfig, cacheRetention?: "none" | "short" | "long") {
-    return adapterFactory?.(provider) ?? actualResolver.resolveAdapter(provider, cacheRetention);
+    return adapterFactory?.(provider) ?? actualResolveAdapter(provider, cacheRetention);
   },
 }));
 
diff --git a/tests/claude-integration/claude-code-thought-signature-scope.test.ts b/tests/claude-integration/claude-code-thought-signature-scope.test.ts
index 814ce7ceb4a..6722dbf955e 100644
--- a/tests/claude-integration/claude-code-thought-signature-scope.test.ts
+++ b/tests/claude-integration/claude-code-thought-signature-scope.test.ts
@@ -14,13 +14,18 @@ import type { AdapterEvent, OcxConfig, OcxParsedRequest, OcxProviderConfig } fro
 import { acquireOwnedSpendHome } from "../helpers/owned-spend-home";
 
 const actualResolver = await import("../../src/server/adapter-resolve");
+// Capture the real function before the override. `mock.module` rewrites the namespace's live
+// binding in place, so a lookup through `actualResolver` inside the wrapper would reach
+// whichever override is current, including this one, once another file in the same process
+// has mocked this module too.
+const actualResolveAdapter = actualResolver.resolveAdapter;
 
 let adapterFactory: ((provider: OcxProviderConfig) => ProviderAdapter) | undefined;
 
 mock.module("../../src/server/adapter-resolve", () => ({
   ...actualResolver,
   resolveAdapter(provider: OcxProviderConfig, cacheRetention?: "none" | "short" | "long") {
-    return adapterFactory?.(provider) ?? actualResolver.resolveAdapter(provider, cacheRetention);
+    return adapterFactory?.(provider) ?? actualResolveAdapter(provider, cacheRetention);
   },
 }));
 
diff --git a/tests/routing/routing-policy-surface-parity.test.ts b/tests/routing/routing-policy-surface-parity.test.ts
index 5bdd93161a7..afcc0795243 100644
--- a/tests/routing/routing-policy-surface-parity.test.ts
+++ b/tests/routing/routing-policy-surface-parity.test.ts
@@ -114,12 +114,17 @@ describe("routing policy request evidence parity (translator-level coverage)", (
 // ---- Handler-level parity tests (via dev handler entry points) ----
 
 const actualResolver = await import("../../src/server/adapter-resolve");
+// Capture the real function before the override. `mock.module` rewrites the namespace's live
+// binding in place, so a lookup through `actualResolver` inside the wrapper would reach
+// whichever override is current, including this one, once another file in the same process
+// has mocked this module too.
+const actualResolveAdapter = actualResolver.resolveAdapter;
 let adapterFactory: ((provider: OcxProviderConfig) => ProviderAdapter) | undefined;
 
 mock.module("../../src/server/adapter-resolve", () => ({
   ...actualResolver,
   resolveAdapter(provider: OcxProviderConfig, cacheRetention?: "none" | "short" | "long") {
-    return adapterFactory?.(provider) ?? actualResolver.resolveAdapter(provider, cacheRetention);
+    return adapterFactory?.(provider) ?? actualResolveAdapter(provider, cacheRetention);
   },
 }));