diff --git a/actions/setup/js/add_copilot_reviewer.cjs b/actions/setup/js/add_copilot_reviewer.cjs
index 40281e4bd8d..4da23077c20 100644
--- a/actions/setup/js/add_copilot_reviewer.cjs
+++ b/actions/setup/js/add_copilot_reviewer.cjs
@@ -58,6 +58,4 @@ Successfully added Copilot as a reviewer to PR #${prNumber}.
   }
 }
 
-main().catch(error => {
-  core.setFailed(error instanceof Error ? error.message : String(error));
-});
+module.exports = { main };
diff --git a/actions/setup/js/assign_issue.cjs b/actions/setup/js/assign_issue.cjs
index c94ef2a670e..0e5c0236fde 100644
--- a/actions/setup/js/assign_issue.cjs
+++ b/actions/setup/js/assign_issue.cjs
@@ -102,6 +102,4 @@ Successfully assigned issue #${trimmedIssueNumber} to \`${trimmedAssignee}\`.
   }
 }
 
-main().catch(error => {
-  core.setFailed(error instanceof Error ? error.message : String(error));
-});
+module.exports = { main };
diff --git a/actions/setup/js/checkout_pr_branch.cjs b/actions/setup/js/checkout_pr_branch.cjs
index 871162519b0..86f65dda234 100644
--- a/actions/setup/js/checkout_pr_branch.cjs
+++ b/actions/setup/js/checkout_pr_branch.cjs
@@ -42,6 +42,4 @@ async function main() {
   }
 }
 
-main().catch(error => {
-  core.setFailed(error instanceof Error ? error.message : String(error));
-});
+module.exports = { main };
diff --git a/actions/setup/js/create_agent_task.cjs b/actions/setup/js/create_agent_task.cjs
index 2ee0a659e11..f6f50f08c8f 100644
--- a/actions/setup/js/create_agent_task.cjs
+++ b/actions/setup/js/create_agent_task.cjs
@@ -174,6 +174,4 @@ async function main() {
   await core.summary.write();
 }
 
-main().catch(error => {
-  core.setFailed(error instanceof Error ? error.message : String(error));
-});
+module.exports = { main };
diff --git a/actions/setup/js/push_repo_memory.cjs b/actions/setup/js/push_repo_memory.cjs
index 0d738404fc6..7aa19378caa 100644
--- a/actions/setup/js/push_repo_memory.cjs
+++ b/actions/setup/js/push_repo_memory.cjs
@@ -209,6 +209,4 @@ async function main() {
   }
 }
 
-main().catch(error => {
-  core.setFailed(`Unexpected error: ${error instanceof Error ? error.message : String(error)}`);
-});
+module.exports = { main };
diff --git a/pkg/workflow/js/add_copilot_reviewer.cjs b/pkg/workflow/js/add_copilot_reviewer.cjs
index 40281e4bd8d..4da23077c20 100644
--- a/pkg/workflow/js/add_copilot_reviewer.cjs
+++ b/pkg/workflow/js/add_copilot_reviewer.cjs
@@ -58,6 +58,4 @@ Successfully added Copilot as a reviewer to PR #${prNumber}.
   }
 }
 
-main().catch(error => {
-  core.setFailed(error instanceof Error ? error.message : String(error));
-});
+module.exports = { main };
diff --git a/pkg/workflow/js/add_copilot_reviewer.test.cjs b/pkg/workflow/js/add_copilot_reviewer.test.cjs
index d2ef7af9288..03ad132413d 100644
--- a/pkg/workflow/js/add_copilot_reviewer.test.cjs
+++ b/pkg/workflow/js/add_copilot_reviewer.test.cjs
@@ -65,10 +65,16 @@ describe("add_copilot_reviewer", () => {
     };
   });
 
+  // Helper function to run the script with main() call
+  async function runScript() {
+    const { main } = await import("./add_copilot_reviewer.cjs?" + Date.now());
+    await main();
+  }
+
   it("should fail when PR_NUMBER is not set", async () => {
     delete process.env.PR_NUMBER;
 
-    await import("./add_copilot_reviewer.cjs");
+    await runScript();
 
     expect(mockCore.setFailed).toHaveBeenCalledWith("PR_NUMBER environment variable is required but not set");
     expect(mockGithub.rest.pulls.requestReviewers).not.toHaveBeenCalled();
@@ -77,7 +83,7 @@ describe("add_copilot_reviewer", () => {
   it("should fail when PR_NUMBER is empty", async () => {
     process.env.PR_NUMBER = "   ";
 
-    await import("./add_copilot_reviewer.cjs");
+    await runScript();
 
     expect(mockCore.setFailed).toHaveBeenCalledWith("PR_NUMBER environment variable is required but not set");
     expect(mockGithub.rest.pulls.requestReviewers).not.toHaveBeenCalled();
@@ -86,7 +92,7 @@ describe("add_copilot_reviewer", () => {
   it("should fail when PR_NUMBER is not a valid number", async () => {
     process.env.PR_NUMBER = "not-a-number";
 
-    await import("./add_copilot_reviewer.cjs");
+    await runScript();
 
     expect(mockCore.setFailed).toHaveBeenCalledWith(expect.stringContaining("Invalid PR_NUMBER"));
     expect(mockGithub.rest.pulls.requestReviewers).not.toHaveBeenCalled();
@@ -95,7 +101,7 @@ describe("add_copilot_reviewer", () => {
   it("should fail when PR_NUMBER is zero", async () => {
     process.env.PR_NUMBER = "0";
 
-    await import("./add_copilot_reviewer.cjs");
+    await runScript();
 
     expect(mockCore.setFailed).toHaveBeenCalledWith(expect.stringContaining("Invalid PR_NUMBER"));
     expect(mockGithub.rest.pulls.requestReviewers).not.toHaveBeenCalled();
@@ -104,7 +110,7 @@ describe("add_copilot_reviewer", () => {
   it("should fail when PR_NUMBER is negative", async () => {
     process.env.PR_NUMBER = "-1";
 
-    await import("./add_copilot_reviewer.cjs");
+    await runScript();
 
     expect(mockCore.setFailed).toHaveBeenCalledWith(expect.stringContaining("Invalid PR_NUMBER"));
     expect(mockGithub.rest.pulls.requestReviewers).not.toHaveBeenCalled();
@@ -113,7 +119,7 @@ describe("add_copilot_reviewer", () => {
   it("should add copilot as reviewer when PR_NUMBER is valid", async () => {
     process.env.PR_NUMBER = "456";
 
-    await import("./add_copilot_reviewer.cjs");
+    await runScript();
 
     expect(mockGithub.rest.pulls.requestReviewers).toHaveBeenCalledWith({
       owner: "testowner",
@@ -130,7 +136,7 @@ describe("add_copilot_reviewer", () => {
     process.env.PR_NUMBER = "123";
     mockGithub.rest.pulls.requestReviewers.mockRejectedValueOnce(new Error("API Error"));
 
-    await import("./add_copilot_reviewer.cjs");
+    await runScript();
 
     expect(mockCore.error).toHaveBeenCalledWith(expect.stringContaining("Failed to add Copilot as reviewer"));
     expect(mockCore.setFailed).toHaveBeenCalledWith(expect.stringContaining("Failed to add Copilot as reviewer"));
@@ -139,7 +145,7 @@ describe("add_copilot_reviewer", () => {
   it("should trim whitespace from PR_NUMBER", async () => {
     process.env.PR_NUMBER = "  789  ";
 
-    await import("./add_copilot_reviewer.cjs");
+    await runScript();
 
     expect(mockGithub.rest.pulls.requestReviewers).toHaveBeenCalledWith({
       owner: "testowner",
diff --git a/pkg/workflow/js/assign_issue.cjs b/pkg/workflow/js/assign_issue.cjs
index c94ef2a670e..0e5c0236fde 100644
--- a/pkg/workflow/js/assign_issue.cjs
+++ b/pkg/workflow/js/assign_issue.cjs
@@ -102,6 +102,4 @@ Successfully assigned issue #${trimmedIssueNumber} to \`${trimmedAssignee}\`.
   }
 }
 
-main().catch(error => {
-  core.setFailed(error instanceof Error ? error.message : String(error));
-});
+module.exports = { main };
diff --git a/pkg/workflow/js/check_workflow_timestamp.cjs b/pkg/workflow/js/check_workflow_timestamp.cjs
index a20f92cd758..7778299c0e9 100644
--- a/pkg/workflow/js/check_workflow_timestamp.cjs
+++ b/pkg/workflow/js/check_workflow_timestamp.cjs
@@ -99,6 +99,4 @@ async function main() {
   }
 }
 
-main().catch(error => {
-  core.setFailed(error instanceof Error ? error.message : String(error));
-});
+module.exports = { main };
diff --git a/pkg/workflow/js/create_agent_task.cjs b/pkg/workflow/js/create_agent_task.cjs
index 2ee0a659e11..f6f50f08c8f 100644
--- a/pkg/workflow/js/create_agent_task.cjs
+++ b/pkg/workflow/js/create_agent_task.cjs
@@ -174,6 +174,4 @@ async function main() {
   await core.summary.write();
 }
 
-main().catch(error => {
-  core.setFailed(error instanceof Error ? error.message : String(error));
-});
+module.exports = { main };
diff --git a/pkg/workflow/js/create_agent_task.test.cjs b/pkg/workflow/js/create_agent_task.test.cjs
index 30585c3fbba..2956a0f80e5 100644
--- a/pkg/workflow/js/create_agent_task.test.cjs
+++ b/pkg/workflow/js/create_agent_task.test.cjs
@@ -28,7 +28,8 @@ describe("create_agent_task.cjs", () => {
       const scriptPath = require("path").join(process.cwd(), "create_agent_task.cjs");
       delete require.cache[require.resolve(scriptPath)];
       try {
-        (require(scriptPath), await new Promise(resolve => setTimeout(resolve, 50)));
+        const { main } = require(scriptPath);
+        await main();
       } catch (error) {}
     };
   (describe("basic functionality", () => {
diff --git a/pkg/workflow/js/push_repo_memory.cjs b/pkg/workflow/js/push_repo_memory.cjs
index 0d738404fc6..7aa19378caa 100644
--- a/pkg/workflow/js/push_repo_memory.cjs
+++ b/pkg/workflow/js/push_repo_memory.cjs
@@ -209,6 +209,4 @@ async function main() {
   }
 }
 
-main().catch(error => {
-  core.setFailed(`Unexpected error: ${error instanceof Error ? error.message : String(error)}`);
-});
+module.exports = { main };