test_runner: simplify test end time tracking

This commit simplifies the logic for tracking test end time.
The end time is now only set in postRun(), which every test
runs when it ends.

Author: cjihrig

lib/internal/test_runner/test.js

@@ -526,7 +526,7 @@ class Test extends AsyncResource {
   };
 
   #cancel(error) {
-    if (this.endTime !== null) {
+    if (this.endTime !== null || this.error !== null) {
       return;
     }
 
@@ -564,17 +564,15 @@ class Test extends AsyncResource {
       return;
     }
 
-    this.endTime = hrtime();
     this.passed = false;
     this.error = err;
   }
 
   pass() {
-    if (this.endTime !== null) {
+    if (this.error !== null) {
       return;
     }
 
-    this.endTime = hrtime();
     this.passed = true;
   }
 
@@ -711,9 +709,6 @@ class Test extends AsyncResource {
         await afterEach();
         await after();
       } catch (err) {
-        // If one of the after hooks has thrown unset endTime so that the
-        // catch below can do its cancel/fail logic.
-        this.endTime = null;
         throw err;
       }
     } catch (err) {
@@ -761,13 +756,10 @@ class Test extends AsyncResource {
   }
 
   postRun(pendingSubtestsError) {
+    // If the test was cancelled before it started, then the start and end
+    // times need to be corrected.
     this.startTime ??= hrtime();
-
-    // If the test was failed before it even started, then the end time will
-    // be earlier than the start time. Correct that here.
-    if (this.endTime < this.startTime) {
-      this.endTime = hrtime();
-    }
+    this.endTime ??= hrtime();
 
     // The test has run, so recursively cancel any outstanding subtests and
     // mark this test as failed if any subtests failed.
@@ -974,6 +966,7 @@ class TestHook extends Test {
         error.failureType = kHookFailure;
       }
 
+      this.endTime ??= hrtime();
       parent.reporter.fail(0, loc, parent.subtests.length + 1, loc.file, {
         __proto__: null,
         duration_ms: this.duration(),