Provide utility classes for cleaning up tests neatly

java/client/test/org/openqa/selenium/testing/BUILD.bazel

@@ -29,8 +29,10 @@ java_library(
         "JUnit4TestBase.java",
         "NotificationRule.java",
         "Pages.java",
+        "Safely.java",
         "SeleniumTestRunner.java",
         "StaticResources.java",
+        "TearDownFixture.java",
         "TestIgnorance.java",
         "TestUtilities.java",
     ],

java/client/test/org/openqa/selenium/testing/Safely.java

@@ -0,0 +1,15 @@
+package org.openqa.selenium.testing;
+
+public class Safely {
+
+  public static void safelyCall(TearDownFixture... fixtures) {
+    for (TearDownFixture fixture : fixtures) {
+      try {
+        // Fixture being null is handled by the exception check.
+        fixture.tearDown();
+      } catch (Exception ignored) {
+        // Keep going
+      }
+    }
+  }
+}

java/client/test/org/openqa/selenium/testing/TearDownFixture.java

@@ -0,0 +1,26 @@
+// Licensed to the Software Freedom Conservancy (SFC) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The SFC licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+package org.openqa.selenium.testing;
+
+/**
+ * Used in conjunction with {@link Safely} to provide a mechanism to call clean up methods in tests.
+ */
+@FunctionalInterface
+public interface TearDownFixture {
+  void tearDown() throws Exception;
+}