Use truth assumption checks

This results in more readable assumption failures.

Test: TH
Change-Id: Ie8670183ce7ebf71ba5efa015f2ff294698ed936
diff --git a/tests/cts/net/src/android/net/cts/ApfIntegrationTest.kt b/tests/cts/net/src/android/net/cts/ApfIntegrationTest.kt
index 68766e6..aab4de4 100644
--- a/tests/cts/net/src/android/net/cts/ApfIntegrationTest.kt
+++ b/tests/cts/net/src/android/net/cts/ApfIntegrationTest.kt
@@ -36,9 +36,9 @@
 import com.android.testutils.TestableNetworkCallback
 import com.android.testutils.runAsShell
 import com.google.common.truth.Truth.assertThat
+import com.google.common.truth.TruthJUnit.assume
 import kotlin.test.assertNotNull
 import org.junit.After
-import org.junit.Assume.assumeTrue
 import org.junit.Before
 import org.junit.BeforeClass
 import org.junit.Test
@@ -79,8 +79,8 @@
 
     @Before
     fun setUp() {
-        assumeTrue(pm.hasSystemFeature(FEATURE_WIFI))
-        assumeTrue(isVendorApiLevelNewerThan(Build.VERSION_CODES.TIRAMISU))
+        assume().that(pm.hasSystemFeature(FEATURE_WIFI)).isTrue()
+        assume().that(isVendorApiLevelNewerThan(Build.VERSION_CODES.TIRAMISU)).isTrue()
         networkCallback = TestableNetworkCallback()
         cm.requestNetwork(
                 NetworkRequest.Builder()