Let the test use sample data.

libraries/designsystem/src/main/kotlin/io/element/android/libraries/designsystem/components/media/FakeWaveformFactory.kt

@@ -1,25 +0,0 @@
-/*
- * Copyright 2023, 2024 New Vector Ltd.
- *
- * SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
- * Please see LICENSE files in the repository root for full details.
- */
-
-package io.element.android.libraries.designsystem.components.media
-
-import kotlinx.collections.immutable.ImmutableList
-import kotlinx.collections.immutable.toImmutableList
-import kotlin.random.Random
-
-/**
- * Generate a waveform for testing purposes.
- *
- * The waveform is a list of floats between 0 and 1.
- *
- * @param length The length of the waveform.
- */
-fun createFakeWaveform(length: Int = 1000): ImmutableList<Float> {
-    val random = Random(seed = 2)
-    return List(length) { random.nextFloat() }
-        .toImmutableList()
-}

libraries/mediaviewer/impl/src/test/kotlin/io/element/android/libraries/mediaviewer/impl/viewer/SingleMediaGalleryDataSourceTest.kt

@@ -10,7 +10,7 @@ package io.element.android.libraries.mediaviewer.impl.viewer
 import app.cash.turbine.test
 import com.google.common.truth.Truth.assertThat
 import io.element.android.libraries.architecture.AsyncData
-import io.element.android.libraries.designsystem.components.media.createFakeWaveform
+import io.element.android.libraries.designsystem.components.media.WaveFormSamples
 import io.element.android.libraries.matrix.api.core.UniqueId
 import io.element.android.libraries.matrix.api.timeline.Timeline
 import io.element.android.libraries.matrix.test.AN_EVENT_ID
@@ -128,7 +128,7 @@ class SingleMediaGalleryDataSourceTest {
     fun `createFrom should create a SingleMediaGalleryDataSource with a voice item`() {
         testFactory(
             mediaInfo = aVoiceMediaInfo(
-                waveForm = createFakeWaveform(),
+                waveForm = WaveFormSamples.longRealisticWaveForm,
                 duration = "12:34",
             ),
             expectedResult = { params ->