StylesheetCount jumps?!

core/modules/navigation/tests/src/FunctionalJavascript/PerformanceTest.php

@@ -92,7 +92,7 @@ public function testLogin(): void {
       'CacheTagLookupQueryCount' => 20,
       'ScriptCount' => 3,
       'ScriptBytes' => 215500,
-      'StylesheetCount' => 1,
+      'StylesheetCount' => 2,
       'StylesheetBytes' => 46000,
     ];
     $this->assertMetrics($expected, $performance_data);

core/profiles/demo_umami/tests/src/FunctionalJavascript/AssetAggregationAcrossPagesTest.php

@@ -29,7 +29,7 @@ public function testFrontAndRecipesPages(): void {
     $expected = [
       'ScriptCount' => 1,
       'ScriptBytes' => 11700,
-      'StylesheetCount' => 6,
+      'StylesheetCount' => 12,
       'StylesheetBytes' => 120500,
     ];
     $this->assertMetrics($expected, $performance_data);
@@ -49,7 +49,7 @@ public function testFrontAndRecipesPagesAuthenticated(): void {
     $expected = [
       'ScriptCount' => 3,
       'ScriptBytes' => 170500,
-      'StylesheetCount' => 5,
+      'StylesheetCount' => 9,
       'StylesheetBytes' => 86000,
     ];
     $this->assertMetrics($expected, $performance_data);
@@ -70,7 +70,7 @@ public function testFrontAndRecipesPagesEditor(): void {
     $expected = [
       'ScriptCount' => 5,
       'ScriptBytes' => 338200,
-      'StylesheetCount' => 5,
+      'StylesheetCount' => 9,
       'StylesheetBytes' => 206150,
     ];
     $this->assertMetrics($expected, $performance_data);

core/profiles/demo_umami/tests/src/FunctionalJavascript/OpenTelemetryAuthenticatedPerformanceTest.php

@@ -65,7 +65,7 @@ public function testFrontPageAuthenticatedWarmCache(): void {
       'CacheTagLookupQueryCount' => 4,
       'ScriptCount' => 2,
       'ScriptBytes' => 123850,
-      'StylesheetCount' => 2,
+      'StylesheetCount' => 4,
       'StylesheetBytes' => 42500,
     ];
     $this->assertMetrics($expected, $performance_data);

core/profiles/demo_umami/tests/src/FunctionalJavascript/OpenTelemetryFrontPagePerformanceTest.php

@@ -77,7 +77,7 @@ protected function testFrontPageHotCache(): void {
       'CacheTagLookupQueryCount' => 1,
       'ScriptCount' => 1,
       'ScriptBytes' => 11850,
-      'StylesheetCount' => 2,
+      'StylesheetCount' => 4,
       'StylesheetBytes' => 40000,
     ];
     $this->assertMetrics($expected, $performance_data);

core/profiles/demo_umami/tests/src/FunctionalJavascript/OpenTelemetryNodePagePerformanceTest.php

@@ -411,7 +411,7 @@ protected function testNodePageWarmCache(): void {
       ],
       'ScriptCount' => 1,
       'ScriptBytes' => 12000,
-      'StylesheetCount' => 2,
+      'StylesheetCount' => 4,
       'StylesheetBytes' => 41750,
     ];
     $this->assertMetrics($expected, $performance_data);