Add unit test on DefaultOnBoardingLogoResIdProvider

Author: bmarty

features/login/impl/src/test/kotlin/io/element/android/features/login/impl/screens/onboarding/DefaultOnBoardingLogoResIdProviderTest.kt

@@ -0,0 +1,25 @@
+/*
+ * Copyright 2025 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.features.login.impl.screens.onboarding
+
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import androidx.test.platform.app.InstrumentationRegistry
+import com.google.common.truth.Truth.assertThat
+import org.junit.Test
+import org.junit.runner.RunWith
+
+@RunWith(AndroidJUnit4::class)
+class DefaultOnBoardingLogoResIdProviderTest {
+    @Test
+    fun `when onboarding_logo resource exists, return its resId`() {
+        val context = InstrumentationRegistry.getInstrumentation().context
+        val sut = DefaultOnBoardingLogoResIdProvider(context)
+        val result = sut.get()
+        assertThat(result).isNull()
+    }
+}