diff --git a/extensions/browser/src/cli/browser-cli-state.option-collisions.test.ts b/extensions/browser/src/cli/browser-cli-state.option-collisions.test.ts
index 07d24325814..78d9f93431a 100644
--- a/extensions/browser/src/cli/browser-cli-state.option-collisions.test.ts
+++ b/extensions/browser/src/cli/browser-cli-state.option-collisions.test.ts
@@ -38,7 +38,8 @@ vi.spyOn(cliCoreApiModule.defaultRuntime, "exit").mockImplementation(browserCliR
 const { registerBrowserStateCommands } = await import("./browser-cli-state.js");
 
 describe("browser state option collisions", () => {
-  const stripAnsi = (value: string) => value.replace(/\u001b\[[0-9;]*m/g, "");
+  const ansiPattern = new RegExp(String.raw`\u001b\[[0-9;]*m`, "g");
+  const stripAnsi = (value: string) => value.replace(ansiPattern, "");
 
   const createStateProgram = ({ withGatewayUrl = false } = {}) => {
     const { program, browser, parentOpts } = createBrowserProgramShared({ withGatewayUrl });
diff --git a/src/channels/plugins/bundled.shape-guard.test.ts b/src/channels/plugins/bundled.shape-guard.test.ts
index f12b56f985c..884e7b197f9 100644
--- a/src/channels/plugins/bundled.shape-guard.test.ts
+++ b/src/channels/plugins/bundled.shape-guard.test.ts
@@ -222,13 +222,11 @@ describe("bundled channel entry shape guards", () => {
       );
 
       const plugin = bundled.requireBundledChannelPlugin("alpha");
-      expect(plugin.meta).toMatchObject({
-        id: "alpha",
-        label: "Alpha",
-        selectionLabel: "Use Alpha",
-        docsPath: "/channels/alpha",
-        blurb: "Alpha channel metadata.",
-      });
+      expect(plugin.meta.id).toBe("alpha");
+      expect(plugin.meta.label).toBe("Alpha");
+      expect(plugin.meta.selectionLabel).toBe("Use Alpha");
+      expect(plugin.meta.docsPath).toBe("/channels/alpha");
+      expect(plugin.meta.blurb).toBe("Alpha channel metadata.");
     } finally {
       restoreBundledPluginsDir(previousBundledPluginsDir);
       fs.rmSync(tempRoot, { recursive: true, force: true });
diff --git a/src/channels/plugins/contracts/registry.contract.test.ts b/src/channels/plugins/contracts/registry.contract.test.ts
index 5acd8e1afee..8bbb37a70c2 100644
--- a/src/channels/plugins/contracts/registry.contract.test.ts
+++ b/src/channels/plugins/contracts/registry.contract.test.ts
@@ -5,9 +5,10 @@ const discordSessionBindingAdapterChannels = ["discord"] as const;
 
 describe("channel contract registry", () => {
   function expectSessionBindingCoverage(expectedChannelIds: readonly string[]) {
-    expect([...sessionBindingContractChannelIds]).toEqual(
-      expect.arrayContaining([...expectedChannelIds]),
-    );
+    const registeredIds = new Set<string>(sessionBindingContractChannelIds);
+    for (const expectedChannelId of expectedChannelIds) {
+      expect(registeredIds.has(expectedChannelId)).toBe(true);
+    }
   }
 
   it.each([
diff --git a/src/channels/plugins/session-conversation.bundled-fallback.test.ts b/src/channels/plugins/session-conversation.bundled-fallback.test.ts
index 0bad3e1d86b..b79f467547c 100644
--- a/src/channels/plugins/session-conversation.bundled-fallback.test.ts
+++ b/src/channels/plugins/session-conversation.bundled-fallback.test.ts
@@ -141,20 +141,15 @@ describe("session conversation bundled fallback", () => {
   it("delegates repeated fallback calls through the public-surface loader", () => {
     enableThreadedFallback();
 
-    expect(resolveSessionConversationRef("agent:main:mock-threaded:group:room:topic:42")).toEqual(
-      expect.objectContaining({
-        channel: "mock-threaded",
-        id: "room",
-        threadId: "42",
-      }),
-    );
-    expect(resolveSessionConversationRef("agent:main:mock-threaded:group:room:topic:43")).toEqual(
-      expect.objectContaining({
-        channel: "mock-threaded",
-        id: "room",
-        threadId: "43",
-      }),
-    );
+    const firstRef = resolveSessionConversationRef("agent:main:mock-threaded:group:room:topic:42");
+    expect(firstRef?.channel).toBe("mock-threaded");
+    expect(firstRef?.id).toBe("room");
+    expect(firstRef?.threadId).toBe("42");
+
+    const secondRef = resolveSessionConversationRef("agent:main:mock-threaded:group:room:topic:43");
+    expect(secondRef?.channel).toBe("mock-threaded");
+    expect(secondRef?.id).toBe("room");
+    expect(secondRef?.threadId).toBe("43");
     expect(fallbackState.loadCalls).toBe(2);
   });
 });
diff --git a/src/channels/plugins/setup-wizard-helpers.test.ts b/src/channels/plugins/setup-wizard-helpers.test.ts
index 215b313a0c1..419376a1b03 100644
--- a/src/channels/plugins/setup-wizard-helpers.test.ts
+++ b/src/channels/plugins/setup-wizard-helpers.test.ts
@@ -2118,12 +2118,14 @@ describe("resolveAccountIdForConfigure", () => {
     });
 
     expect(accountId).toBe("prompted-id");
-    expect(prompter.select).toHaveBeenCalledWith(
-      expect.objectContaining({
-        message: "Signal account",
-        initialValue: "fallback",
-      }),
-    );
+    const selectCalls = prompter.select.mock.calls as unknown as Array<
+      [{ message?: string; initialValue?: string }]
+    >;
+    const selectOptions = selectCalls[0]?.[0] as
+      | { message?: string; initialValue?: string }
+      | undefined;
+    expect(selectOptions?.message).toBe("Signal account");
+    expect(selectOptions?.initialValue).toBe("fallback");
     expect(prompter.text).not.toHaveBeenCalled();
   });
 });