diff --git a/src/elapsed.js b/src/elapsed.js
index 4991911..af1585f 100644
--- a/src/elapsed.js
+++ b/src/elapsed.js
@@ -25,14 +25,13 @@
 /**
  * @todo #368:30min Decide the proper location for the `elapsed` utility function.
  * - Consider if this method belong is in the right place.
- * It might belong in a utility module.
- * For now, it remains here.
- *
- * - Review if the test file for this method is appropriately located, as its current location might not be ideal.
+ * It might belong in a utility module. For now, it remains here.
+ * Review if the test file for this method is appropriately located,
+ * as its current location might not be ideal.
  */
 
 /**
- * A utility function to measure the elapsed time of a task and provide
+ * A utility function to measure the elapsed time of a task and provideÏ
  * detailed timing information.
  *
  * This function wraps a given task (callback function) and provides it with
@@ -47,21 +46,21 @@
  *             `task` callback will be returned unchanged.
  */
 module.exports.elapsed = function elapsed(task) {
-    const startTime = Date.now();
-    return task({
-        print: (message) => {
-            const duration = Date.now() - startTime;
-            let extended;
-            if (duration < 1000) {
-                extended = `${duration}ms`;
-            } else if (duration < 60 * 1000) {
-                extended = `${Math.ceil(duration / 1000)}s`;
-            } else {
-                extended = `${Math.ceil(duration / 3600000)}min`;
-            }
-            const msg = `${message} in ${extended}`;
-            console.info(msg);
-            return msg;
-        }
-    });
-}
+  const startTime = Date.now();
+  return task({
+    print: (message) => {
+      const duration = Date.now() - startTime;
+      let extended;
+      if (duration < 1000) {
+        extended = `${duration}ms`;
+      } else if (duration < 60 * 1000) {
+        extended = `${Math.ceil(duration / 1000)}s`;
+      } else {
+        extended = `${Math.ceil(duration / 3600000)}min`;
+      }
+      const msg = `${message} in ${extended}`;
+      console.info(msg);
+      return msg;
+    }
+  });
+};
diff --git a/test/test_elapsed.js b/test/test_elapsed.js
index ac33272..25146fc 100644
--- a/test/test_elapsed.js
+++ b/test/test_elapsed.js
@@ -22,52 +22,53 @@
  * SOFTWARE.
  */
 
-const {elapsed} = require('../src/elapsed')
-const assert = require("assert");
+const {elapsed} = require('../src/elapsed');
+const assert = require('assert');
 
-describe('elapsed', function(){
-    const snooze = (ms) => new Promise((resolve) => setTimeout(resolve, ms));
-    it('measures time correctly', async () => {
-        return elapsed(async (tracked) => {
-            await snooze(300);
-            return tracked.print("task");
-        }) .then(
-            (actual)=> assert(
-                /task in 30\d+ms/.test(actual),
-                `Expected "${actual}" to match /task in 30\\d+ms/`
-            )
-        )
-    });
-    it('measures short time correctly', async () => {
-        return elapsed(async (tracked) => {
-            await snooze(10);
-            return tracked.print("short task");
-        }) .then(
-            (actual) => assert(
-                /short task in 1\d+ms/.test(actual),
-                `Expected "${actual}" to match /short task in 1\\d+ms/`
-            )
-        );
-    });
-    it('measures long time correctly', async () => {
-        return elapsed(async (tracked) => {
-            await snooze(1200);
-            return tracked.print("long task");
-        }) .then(
-            (actual) => assert(
-                /long task in 2s/.test(actual),
-                `Expected "${actual}" to match /long task in 2s/`
-            )
-        );
-    });
-    it('handles errors in task correctly', async () => {
-        try {
-            await elapsed(async (tracked) => {
-                throw new Error("task error");
-            });
-            assert.fail("Expected an error to be thrown");
-        } catch (error) {
-            assert.throws(() => { throw error }, /task error/);
-        }
-    });
-})
\ No newline at end of file
+describe('elapsed', function() {
+  const snooze = (ms) => new Promise((resolve) => setTimeout(resolve, ms));
+  it('measures time correctly', async () => {
+    return elapsed(async (tracked) => {
+      await snooze(300);
+      return tracked.print('task');
+    }) .then(
+      (actual)=> assert(
+        /task in 30\d+ms/.test(actual),
+        `Expected "${actual}" to match /task in 30\\d+ms/`
+      )
+    );
+  });
+  it('measures short time correctly', async () => {
+    return elapsed(async (tracked) => {
+      await snooze(10);
+      return tracked.print('short task');
+    }) .then(
+      (actual) => assert(
+        /short task in 1\d+ms/.test(actual),
+        `Expected "${actual}" to match /short task in 1\\d+ms/`
+      )
+    );
+  });
+  it('measures long time correctly', async () => {
+    return elapsed(async (tracked) => {
+      await snooze(1200);
+      return tracked.print('long task');
+    }) .then(
+      (actual) => assert(
+        /long task in 2s/.test(actual),
+        `Expected "${actual}" to match /long task in 2s/`
+      )
+    );
+  });
+  it('handles errors in task correctly', async () => {
+    await assert.rejects(
+      elapsed(async () => {
+        throw new Error("task error");
+      }),
+      (error) => {
+        assert.throws(() => { throw error }, /task error/);
+        return true;
+      }
+    );
+  });
+});