diff --git a/instrumentation-tests/src/androidTest/java/com/mapbox/navigation/instrumentation_tests/core/CoreRerouteTest.kt b/instrumentation-tests/src/androidTest/java/com/mapbox/navigation/instrumentation_tests/core/CoreRerouteTest.kt
index cbcca80e0f3..9c5933ee21e 100644
--- a/instrumentation-tests/src/androidTest/java/com/mapbox/navigation/instrumentation_tests/core/CoreRerouteTest.kt
+++ b/instrumentation-tests/src/androidTest/java/com/mapbox/navigation/instrumentation_tests/core/CoreRerouteTest.kt
@@ -877,7 +877,9 @@ class CoreRerouteTest : BaseTest<EmptyTestActivity>(EmptyTestActivity::class.jav
         assertEquals(routes[1], rerouteResult.navigationRoutes.first())
     }
 
-    @Test
+    // Restarting mock web server takes up to 30 seconds.
+    // Let it finish and skip the test if it did not succeed.
+    @Test(timeout = 50_000)
     fun reroute_with_retryable_error() = sdkTest {
         val mockRoute = RoutesProvider.dc_very_short(context)
         val originLocation = mockRoute.routeWaypoints.first()
diff --git a/libtesting-ui/src/main/java/com/mapbox/navigation/testing/ui/http/MockWebServerRule.kt b/libtesting-ui/src/main/java/com/mapbox/navigation/testing/ui/http/MockWebServerRule.kt
index a0c9536af44..de12576fb6e 100644
--- a/libtesting-ui/src/main/java/com/mapbox/navigation/testing/ui/http/MockWebServerRule.kt
+++ b/libtesting-ui/src/main/java/com/mapbox/navigation/testing/ui/http/MockWebServerRule.kt
@@ -2,13 +2,17 @@ package com.mapbox.navigation.testing.ui.http
 
 import android.util.Log
 import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.coroutineScope
 import kotlinx.coroutines.delay
+import kotlinx.coroutines.isActive
 import kotlinx.coroutines.withContext
+import kotlinx.coroutines.withTimeout
 import kotlinx.coroutines.withTimeoutOrNull
 import okhttp3.mockwebserver.Dispatcher
 import okhttp3.mockwebserver.MockResponse
 import okhttp3.mockwebserver.MockWebServer
 import okhttp3.mockwebserver.RecordedRequest
+import org.junit.Assume.assumeTrue
 import org.junit.rules.TestWatcher
 import org.junit.runner.Description
 import java.lang.StringBuilder
@@ -85,24 +89,30 @@ class MockWebServerRule : TestWatcher() {
             block()
         } finally {
             withContext(Dispatchers.IO) {
-                retryStarting(previousPort)
+                val serverRestarted = retryStarting(previousPort)
+                assumeTrue("Mock web server could not be restarted", serverRestarted)
                 initDispatcher()
             }
         }
     }
 
-    private suspend fun retryStarting(port: Int) {
-        withTimeoutOrNull(30_000) {
+    private suspend fun retryStarting(port: Int): Boolean {
+        withTimeout(30_000) {
             while (true) {
+                if (!isActive) {
+                    Log.e("MockWebServerRule", "can't start mock server on port $port")
+                    return@withTimeout false
+                }
                 try {
                     webServer = MockWebServer()
                     webServer.start(port)
-                    break
+                    return@withTimeout true
                 } catch (t: Throwable) {
                     Log.e("MockWebServerRule", "error starting mock web server", t)
                 }
                 delay(500)
             }
-        } ?: error("can't start mock server on port $port")
+        }
+        return false
     }
 }