fix(test): remove order-dependent assertions in testExtended

getFolderContentsById has no ORDER BY, so getFolderContents returns
rows in an arbitrary order that varies across DB engines and parallel
runs. Index the result by name instead of relying on array position.

AI-Assisted-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Signed-off-by: Anna Larch <anna@nextcloud.com>

Author: miaulalala

tests/lib/Files/Cache/CacheTest.php

@@ -801,26 +801,31 @@ public function testExtended(): void {
 		$entries = $this->cache->getFolderContents('');
 		$this->assertCount(4, $entries);
 
-		$this->assertEquals('foo1', $entries[0]->getName());
-		$this->assertEquals('foo2', $entries[1]->getName());
-		$this->assertEquals('foo3', $entries[2]->getName());
-		$this->assertEquals('foo4', $entries[3]->getName());
-
-		$this->assertEquals(20, $entries[0]->getCreationTime());
-		$this->assertEquals(0, $entries[0]->getUploadTime());
-		$this->assertEquals(null, $entries[0]->getMetadataEtag());
-
-		$this->assertEquals(0, $entries[1]->getCreationTime());
-		$this->assertEquals(30, $entries[1]->getUploadTime());
-		$this->assertEquals(null, $entries[1]->getMetadataEtag());
-
-		$this->assertEquals(0, $entries[2]->getCreationTime());
-		$this->assertEquals(0, $entries[2]->getUploadTime());
-		$this->assertEquals('foo', $entries[2]->getMetadataEtag());
-
-		$this->assertEquals(0, $entries[3]->getCreationTime());
-		$this->assertEquals(0, $entries[3]->getUploadTime());
-		$this->assertEquals(null, $entries[3]->getMetadataEtag());
+		// getFolderContentsById has no ORDER BY — index by name to avoid order-dependent assertions
+		$byName = [];
+		foreach ($entries as $entry) {
+			$byName[$entry->getName()] = $entry;
+		}
+		$this->assertArrayHasKey('foo1', $byName);
+		$this->assertArrayHasKey('foo2', $byName);
+		$this->assertArrayHasKey('foo3', $byName);
+		$this->assertArrayHasKey('foo4', $byName);
+
+		$this->assertEquals(20, $byName['foo1']->getCreationTime());
+		$this->assertEquals(0, $byName['foo1']->getUploadTime());
+		$this->assertEquals(null, $byName['foo1']->getMetadataEtag());
+
+		$this->assertEquals(0, $byName['foo2']->getCreationTime());
+		$this->assertEquals(30, $byName['foo2']->getUploadTime());
+		$this->assertEquals(null, $byName['foo2']->getMetadataEtag());
+
+		$this->assertEquals(0, $byName['foo3']->getCreationTime());
+		$this->assertEquals(0, $byName['foo3']->getUploadTime());
+		$this->assertEquals('foo', $byName['foo3']->getMetadataEtag());
+
+		$this->assertEquals(0, $byName['foo4']->getCreationTime());
+		$this->assertEquals(0, $byName['foo4']->getUploadTime());
+		$this->assertEquals(null, $byName['foo4']->getMetadataEtag());
 
 		$this->cache->update($id1, ['upload_time' => 25]);