Change Truth assertions in DashWidevineOfflineTest to increase clarity

PiperOrigin-RevId: 342040610

playbacktests/src/androidTest/java/com/google/android/exoplayer2/playbacktests/gts/DashWidevineOfflineTest.java

@@ -171,9 +171,9 @@ public final class DashWidevineOfflineTest {
     long licenseDuration =
         offlineLicenseHelper.getLicenseDurationRemainingSec(offlineLicenseKeySetId).first;
     assertWithMessage(
-            "License duration should be less than 30 sec. " + "Server settings might have changed.")
-        .that(licenseDuration < 30)
-        .isTrue();
+            "License duration should be less than 30 sec. Server settings might have changed.")
+        .that(licenseDuration)
+        .isLessThan(30);
     while (licenseDuration > 0) {
       synchronized (this) {
         wait(licenseDuration * 1000 + 2000);
@@ -182,8 +182,8 @@ public final class DashWidevineOfflineTest {
       licenseDuration =
           offlineLicenseHelper.getLicenseDurationRemainingSec(offlineLicenseKeySetId).first;
       assertWithMessage("License duration should be decreasing.")
-          .that(previousDuration > licenseDuration)
-          .isTrue();
+          .that(licenseDuration)
+          .isLessThan(previousDuration);
     }
 
     // DefaultDrmSessionManager should renew the license and stream play fine
@@ -203,8 +203,8 @@ public final class DashWidevineOfflineTest {
     long licenseDuration = licenseDurationRemainingSec.first;
     assertWithMessage(
             "License duration should be less than 30 sec. Server settings might have changed.")
-        .that(licenseDuration < 30)
-        .isTrue();
+        .that(licenseDuration)
+        .isLessThan(30);
     ActionSchedule schedule = new ActionSchedule.Builder(TAG)
         .waitForPlaybackState(Player.STATE_READY)
         .delay(3000).pause().delay(licenseDuration * 1000 + 2000).play().build();