[fenix] Fix intermittent test failures in PagedHistoryProviderTest

app/src/test/java/org/mozilla/fenix/components/history/PagedHistoryProviderTest.kt

@@ -7,10 +7,10 @@ package org.mozilla.fenix.components.history
 import io.mockk.coEvery
 import io.mockk.coVerify
 import io.mockk.mockk
-import io.mockk.verify
 import mozilla.components.concept.storage.HistoryStorage
 import mozilla.components.concept.storage.VisitInfo
 import mozilla.components.concept.storage.VisitType
+import org.junit.Assert.assertSame
 import org.junit.Before
 import org.junit.Test
 
@@ -27,11 +27,12 @@ class PagedHistoryProviderTest {
     fun `getHistory uses getVisitsPaginated`() {
         val provider = storage.createSynchronousPagedHistoryProvider()
         val results = listOf<VisitInfo>(mockk(), mockk())
-        val onComplete = mockk<(List<VisitInfo>) -> Unit>(relaxed = true)
-
         coEvery { storage.getVisitsPaginated(any(), any(), any()) } returns results
 
-        provider.getHistory(10L, 5, onComplete)
+        var actualResults: List<VisitInfo>? = null
+        provider.getHistory(10L, 5) {
+            actualResults = it
+        }
 
         coVerify {
             storage.getVisitsPaginated(
@@ -48,6 +49,7 @@ class PagedHistoryProviderTest {
                 )
             )
         }
-        verify { onComplete(results) }
+
+        assertSame(results, actualResults)
     }
 }