convert file detail activities fragment to Kotlin

app/src/androidTest/java/com/owncloud/android/ui/fragment/FileDetailActivitiesFragmentIT.kt

@@ -0,0 +1,34 @@
+/*
+ * Nextcloud - Android Client
+ *
+ * SPDX-FileCopyrightText: 2026 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+package com.owncloud.android.ui.fragment
+
+import com.nextcloud.client.account.User
+import com.nextcloud.utils.extensions.getParcelableArgument
+import com.owncloud.android.AbstractIT
+import com.owncloud.android.datamodel.OCFile
+import org.junit.Assert.assertEquals
+import org.junit.Assert.assertNotNull
+import org.junit.Test
+
+class FileDetailActivitiesFragmentIT : AbstractIT() {
+
+    @Test
+    fun newInstanceStoresFileAndUserInArguments() {
+        val file = OCFile("/test.txt").apply { fileId = 12 }
+
+        val fragment = FileDetailActivitiesFragment.newInstance(file, user)
+
+        val arguments = fragment.arguments
+        assertNotNull(arguments)
+
+        val storedFile = arguments.getParcelableArgument("FILE", OCFile::class.java)
+        val storedUser = arguments.getParcelableArgument("USER", User::class.java)
+
+        assertEquals(file.fileId, storedFile?.fileId)
+        assertEquals(user.accountName, storedUser?.accountName)
+    }
+}