test(extend-app-start): Drop narrating comments from app start tests

The test names describe the scenarios; the inline comments restated them. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
getsentry · buenaflor · Jul 6, 2026 · Jun 23, 2026 · Jun 23, 2026 · Jun 25, 2026
commit 824c12f81a682bedc5bebccefeeb5c5c1f48fa84
diff --git a/sentry-android-core/src/test/java/io/sentry/android/core/ActivityLifecycleIntegrationTest.kt b/sentry-android-core/src/test/java/io/sentry/android/core/ActivityLifecycleIntegrationTest.kt
@@ -367,16 +367,12 @@ class ActivityLifecycleIntegrationTest {
       fixture.createdTransactions.filter {
         it.spanContext.operation == ActivityLifecycleIntegration.STANDALONE_APP_START_OP
       }
-    // The eager app.start txn is reused; no second one is created at the first activity.
     assertEquals(1, appStartTransactions.size)
-    // The screen (first activity) is attached to the eager app.start, matching foreground
-    // standalone.
     assertEquals("Activity", appStartTransactions.single().getData("app.vitals.start.screen"))
     val uiLoadTransaction =
       fixture.createdTransactions.single {
         it.spanContext.operation == ActivityLifecycleIntegration.UI_LOAD_OP
       }
-    // ui.load shares the eager app.start trace.
     assertEquals(
       appStartTransactions.single().spanContext.traceId,
       uiLoadTransaction.spanContext.traceId,
@@ -410,7 +406,6 @@ class ActivityLifecycleIntegrationTest {
     sut.onActivityPaused(firstActivity)
     sut.onActivityCreated(secondActivity, fixture.bundle)
 
-    // The second activity must not continue the already-finished extended app.start trace.
     assertNotEquals(appStartTraceId, fixture.createdTransactions.last().spanContext.traceId)
   }
 
@@ -459,7 +454,6 @@ class ActivityLifecycleIntegrationTest {
         it.spanContext.operation == ActivityLifecycleIntegration.STANDALONE_APP_START_OP
       }
 
-    // waitForChildren keeps the app start transaction open until the extension finishes.
     appStartTransaction.finish(SpanStatus.OK)
     assertFalse(appStartTransaction.isFinished)
 
@@ -487,7 +481,6 @@ class ActivityLifecycleIntegrationTest {
         it.operation == ActivityLifecycleIntegration.APP_START_EXTENDED_OP
       }
     )
-    // Headless finishes the transaction, but waitForChildren holds it until the extension finishes.
     assertFalse(transaction.isFinished)
 
     AppStartMetrics.getInstance().appStartExtension.finishExtendedAppStart()
@@ -522,8 +515,6 @@ class ActivityLifecycleIntegrationTest {
 
     prepareHeadlessAppStart(appStartType = AppStartType.COLD)
     AppStartMetrics.getInstance().appStartExtension.extendAppStart()
-    // Finish and send the extension's app.start (onAppStartSpansSent is normally driven by the
-    // event processor) before the headless idle check runs.
     AppStartMetrics.getInstance().appStartExtension.finishExtendedAppStart()
     AppStartMetrics.getInstance().onAppStartSpansSent()
     val transactionsBefore = fixture.createdTransactions.size
@@ -562,8 +553,6 @@ class ActivityLifecycleIntegrationTest {
     sut.onActivityCreated(activity, fixture.bundle)
     assertTrue(AppStartMetrics.getInstance().appStartExtension.isActive)
 
-    // The eager txn is owned by the extension, not the integration's appStartTransaction field, so
-    // the per-activity cleanup can't cancel it.
     sut.onActivityDestroyed(activity)
     assertTrue(AppStartMetrics.getInstance().appStartExtension.isActive)
   }

diff --git a/...android-core/src/test/java/io/sentry/android/core/PerformanceAndroidEventProcessorTest.kt b/...android-core/src/test/java/io/sentry/android/core/PerformanceAndroidEventProcessorTest.kt
@@ -216,7 +216,6 @@ class PerformanceAndroidEventProcessorTest {
       setStoppedAt(100)
     }
     val startMs = metrics.appStartTimeSpan.startTimestampMs
-    // extended end is 500ms after start, well past the ~99ms natural duration
     extendAppStartFinishedWith(SpanStatus.OK, startMs + 500)
 
     var tr = createUiLoadTransactionWithAppStartChildSpan()
@@ -236,7 +235,6 @@ class PerformanceAndroidEventProcessorTest {
       setStoppedAt(1000)
     }
     val startMs = metrics.appStartTimeSpan.startTimestampMs
-    // finished early (100ms), before the 999ms natural first-frame duration
     extendAppStartFinishedWith(SpanStatus.OK, startMs + 100)
 
     var tr = createUiLoadTransactionWithAppStartChildSpan()