// Reset
 emulation.setNetworkConditions(
     new SetNetworkConditionsParameters(false).userContexts(List.of(userContext)));
+assertThat(isOnline(contextId, script)).isTrue();
 
 context.close();

+import java.util.HashMap;
+import java.util.Map;
+import org.openqa.selenium.internal.Require;
+
 public class SetNetworkConditionsParameters extends AbstractOverrideParameters {
 
   public SetNetworkConditionsParameters(Boolean offline) {
     if (Boolean.TRUE.equals(offline)) {
       map.put("networkConditions", Map.of("type", "offline"));
     } else {
       map.put("networkConditions", null);
     }
+  }
+
+  public SetNetworkConditionsParameters(long latency, long downloadThroughput, long uploadThroughput) {
+    Require.nonNegative("Latency", latency);
+    Require.nonNegative("Download throughput", downloadThroughput);
+    Require.nonNegative("Upload throughput", uploadThroughput);
+
+    Map<String, Object> networkConditions = new HashMap<>();
+    networkConditions.put("type", "network");
+    networkConditions.put("latency", latency);
+    networkConditions.put("downloadThroughput", downloadThroughput);
+    networkConditions.put("uploadThroughput", uploadThroughput);
+
+    map.put("networkConditions", networkConditions);
   }
 
   @Override
   public SetNetworkConditionsParameters contexts(java.util.List<String> contexts) {
     super.contexts(contexts);
     return this;
   }
 
   @Override
   public SetNetworkConditionsParameters userContexts(java.util.List<String> userContexts) {
     super.userContexts(userContexts);
     return this;
   }
 }

 try {
   BrowsingContext context =
       new BrowsingContext(
           driver, new CreateContextParameters(WindowType.TAB).userContext(userContext));
   String contextId = context.getId();
 
   try {
     driver.switchTo().window(contextId);
 
     Emulation emulation = new Emulation(driver);
     Script script = new Script(driver);
 
     context.navigate(appServer.whereIs("formPage.html"), ReadinessState.COMPLETE);
 
     assertThat(isOnline(contextId, script)).isTrue();
 
     // Set offline
     emulation.setNetworkConditions(
         new SetNetworkConditionsParameters(true).userContexts(List.of(userContext)));
     assertThat(isOnline(contextId, script)).isFalse();
 
     // Reset
     emulation.setNetworkConditions(
         new SetNetworkConditionsParameters(false).userContexts(List.of(userContext)));
-
+  } finally {
     context.close();
-  } catch (Exception e) {
-    try {
-      context.close();
-    } catch (Exception closeException) {
-      // Ignore
-    }
-    throw e;
   }
 } finally {
   browser.removeUserContext(userContext);
 }