Bridgeless-context SurfaceMountingManagerSynchronousMountPropsTest (#59273)

Summary:

Migrate `SurfaceMountingManagerSynchronousMountPropsTest` from the deprecated
`createCatalystContextForTest` helper to `createTestReactApplicationContext`,
so the test builds a bridgeless context directly.

Changelog:
[Internal]

Differential Revision: D126574353

Author: christophpurrer

packages/react-native/ReactAndroid/src/test/java/com/facebook/react/fabric/SurfaceMountingManagerSynchronousMountPropsTest.kt

@@ -34,6 +34,7 @@ import org.junit.Before
 import org.junit.Test
 import org.junit.runner.RunWith
 import org.robolectric.RobolectricTestRunner
+import org.robolectric.RuntimeEnvironment
 import org.robolectric.annotation.Config
 
 /**
@@ -65,7 +66,8 @@ class SurfaceMountingManagerSynchronousMountPropsTest {
   @Before
   fun setUp() {
     ReactNativeFeatureFlagsForTests.setUp()
-    val reactContext = ReactTestHelper.createCatalystContextForTest()
+    val reactContext =
+        ReactTestHelper.createTestReactApplicationContext(RuntimeEnvironment.getApplication())
     themedReactContext = ThemedReactContext(reactContext, reactContext, null, -1)
     mountingManager =
         MountingManager(