diff --git a/lib/src/spot/snapshot.dart b/lib/src/spot/snapshot.dart
index a413ea2d..afac20b2 100644
--- a/lib/src/spot/snapshot.dart
+++ b/lib/src/spot/snapshot.dart
@@ -267,7 +267,8 @@ extension ValidateQuantity<W extends Widget> on WidgetSnapshot<W> {
           throw QuantityTestFailure(
             message:
                 'Could not find ${unconstrainedSelector.toStringBreadcrumb()} in widget tree, '
-                'expected at least $minimumConstraint',
+                'expected at least $minimumConstraint.\n'
+                'Check the timeline at the very bottom for more information.',
             significantWidgetTree: significantWidgetTree(),
             snapshot: this,
           );
@@ -278,7 +279,8 @@ extension ValidateQuantity<W extends Widget> on WidgetSnapshot<W> {
           throw QuantityTestFailure(
             message:
                 'Found $count elements matching ${unconstrainedSelector.toStringBreadcrumb()} in widget tree, '
-                'expected at least $minimumConstraint',
+                'expected at least $minimumConstraint.\n'
+                'Check the timeline at the very bottom for more information.',
             significantWidgetTree: significantWidgetTree(),
             snapshot: this,
           );
@@ -290,7 +292,8 @@ extension ValidateQuantity<W extends Widget> on WidgetSnapshot<W> {
           throw QuantityTestFailure(
             message:
                 'Found $count elements matching ${unconstrainedSelector.toStringBreadcrumb()} in widget tree, '
-                'expected at most $maximumConstraint',
+                'expected at most $maximumConstraint.\n'
+                'Check the timeline at the very bottom for more information.',
             significantWidgetTree: significantWidgetTree(),
             snapshot: this,
           );
@@ -309,7 +312,8 @@ extension ValidateQuantity<W extends Widget> on WidgetSnapshot<W> {
               throw QuantityTestFailure(
                 message:
                     'Could not find ${unconstrainedSelector.toStringBreadcrumb()} in widget tree, '
-                    'expected exactly $exactCount',
+                    'expected exactly $exactCount.\n'
+                    'Check the timeline at the very bottom for more information.',
                 significantWidgetTree: significantWidgetTree(),
                 snapshot: this,
               );
@@ -318,7 +322,8 @@ extension ValidateQuantity<W extends Widget> on WidgetSnapshot<W> {
               throw QuantityTestFailure(
                 message:
                     'Found $count elements matching ${unconstrainedSelector.toStringBreadcrumb()} in widget tree, '
-                    'expected exactly $exactCount',
+                    'expected exactly $exactCount.\n'
+                    'Check the timeline at the very bottom for more information.',
                 significantWidgetTree: significantWidgetTree(),
                 snapshot: this,
               );
@@ -329,7 +334,8 @@ extension ValidateQuantity<W extends Widget> on WidgetSnapshot<W> {
           throw QuantityTestFailure(
             message:
                 'Found $count elements matching ${unconstrainedSelector.toStringBreadcrumb()} in widget tree, '
-                'expected between $minimumConstraint and $maximumConstraint',
+                'expected between $minimumConstraint and $maximumConstraint.\n'
+                'Check the timeline at the very bottom for more information.',
             significantWidgetTree: significantWidgetTree(),
             snapshot: this,
           );
@@ -377,9 +383,10 @@ class QuantityTestFailure implements TestFailure {
 
   @override
   String toString() {
-    return '$message\n'
-        '$significantWidgetTree\n'
-        '$message';
+    return '$message';
+    // return '$message\n'
+    //     '$significantWidgetTree\n'
+    //     '$message';
   }
 }
 
@@ -438,7 +445,6 @@ extension MultiWidgetSelectorMatcher<W extends Widget> on WidgetSnapshot<W> {
         final errorBuilder = StringBuffer();
         errorBuilder.writeln('Could not find $selector in widget tree');
         _dumpWidgetTree(errorBuilder);
-        errorBuilder.writeln('Could not find $selector in widget tree');
         timeline.addEvent(
           eventType: 'Assertion Failed',
           details: errorBuilder.toString(),
@@ -449,7 +455,7 @@ extension MultiWidgetSelectorMatcher<W extends Widget> on WidgetSnapshot<W> {
             ],
           ),
         );
-        fail(errorBuilder.toString());
+        fail('Could not find $selector in widget tree');
       }
     }
 
@@ -602,7 +608,6 @@ void _tryMatchingLessSpecificCriteria(WidgetSnapshot snapshot) {
           details: '$errorBuilder\nFound in widget Tree:\n$significantTree',
         );
       }
-      errorBuilder.writeln('\nFound in widget Tree:\n$significantTree');
       fail(errorBuilder.toString());
     }
   }
diff --git a/test/spot/existence_comparison_test.dart b/test/spot/existence_comparison_test.dart
index 6e2e4600..77f3f53a 100644
--- a/test/spot/existence_comparison_test.dart
+++ b/test/spot/existence_comparison_test.dart
@@ -292,7 +292,13 @@ void main() {
             .whereText((text) => text.startsWith('a'))
             .existsExactlyNTimes(3),
         throwsSpotErrorContaining([
-          'Found 4 elements matching Text with prop "data" starts with \'a\' in widget tree, expected exactly 3',
+          'Found 4 elements matching Text with prop "data" starts with \'a\' in widget tree, expected exactly 3.',
+          'Check the timeline at the very bottom for more information.',
+        ]),
+      );
+      expect(
+        timeline.events.last.details,
+        stringContainsInOrder([
           'Text("aa"',
           'Text("ab"',
           'Text("ac"',
diff --git a/test/spot/exists_once_test.dart b/test/spot/exists_once_test.dart
index e24b1108..b5eaddec 100644
--- a/test/spot/exists_once_test.dart
+++ b/test/spot/exists_once_test.dart
@@ -79,44 +79,58 @@ void main() {
     );
     expect(
       () => spot<Text>().existsOnce(),
-      throwsSpotErrorContaining(
-        [
-          'Found 2 elements',
-          'expected exactly 1',
-          '\nWrap(', // at the beginning of the line, common ancestor
-          'Text("World"',
-          'Text("Hello"',
-        ],
-        not: ['root'],
-      ),
+      throwsSpotErrorContaining([
+        'Found 2 elements',
+        'expected exactly 1',
+      ]),
     );
+    expect(
+      timeline.events.last.details,
+      stringContainsInOrder([
+        'Found 2 elements',
+        'expected exactly 1',
+        '\nWrap(', // at the beginning of the line, common ancestor
+        'Text("Hello"',
+        'Text("World"',
+      ]),
+    );
+    expect(timeline.events.last.details, isNot(contains('root')));
     expect(
       () => spot<Text>().amount(1).existsOnce(),
-      throwsSpotErrorContaining(
-        [
-          'Found 2 elements',
-          'expected exactly 1',
-          '\nWrap(', // at the beginning of the line, common ancestor
-          'Text("World"',
-          'Text("Hello"',
-        ],
-        not: ['root'],
-      ),
+      throwsSpotErrorContaining([
+        'Found 2 elements',
+        'expected exactly 1',
+      ]),
+    );
+    expect(
+      timeline.events.last.details,
+      stringContainsInOrder([
+        'Found 2 elements',
+        'expected exactly 1',
+        '\nWrap(', // at the beginning of the line, common ancestor
+        'Text("Hello"',
+        'Text("World"',
+      ]),
     );
+    expect(timeline.events.last.details, isNot(contains('root')));
     expect(
       () => spot<Text>(parents: [spot<Wrap>()]).amount(1).existsOnce(),
       throwsSpotErrorContaining(
-        [
-          'Found 2 elements',
-          "Wrap ᗕ Text",
-          'expected exactly 1',
-          '\nWrap(', // at the beginning of the line, common ancestor
-          'Text("World"',
-          'Text("Hello"',
-        ],
-        not: ['root'],
+        ['Found 2 elements', "Wrap ᗕ Text", 'expected exactly 1'],
       ),
     );
+    expect(
+      timeline.events.last.details,
+      stringContainsInOrder([
+        'Found 2 elements',
+        "Wrap ᗕ Text",
+        'expected exactly 1',
+        '\nWrap(', // at the beginning of the line, common ancestor
+        'Text("Hello"',
+        'Text("World"',
+      ]),
+    );
+    expect(timeline.events.last.details, isNot(contains('root')));
   });
   testWidgets('existsOnce() finds the correct widget differentiating by props',
       (tester) async {