diff --git a/org.springframework.integration-tests/src/test/java/org/springframework/mock/env/MockEnvironment.java b/org.springframework.integration-tests/src/test/java/org/springframework/mock/env/MockEnvironment.java
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+++ b/org.springframework.integration-tests/src/test/java/org/springframework/mock/env/MockEnvironment.java
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+/*
+ * Copyright 2002-2011 the original author or authors.
+ *
+ * Licensed 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.springframework.mock.env;
+
+import org.springframework.core.env.AbstractEnvironment;
+import org.springframework.core.env.ConfigurableEnvironment;
+
+/**
+ * Simple {@link ConfigurableEnvironment} implementation exposing a
+ * {@link #setProperty(String, String)} and {@link #withProperty(String, String)}
+ * methods for testing purposes.
+ * 
+ * @author Chris Beams
+ * @since 3.1
+ * @see MockPropertySource
+ */
+public class MockEnvironment extends AbstractEnvironment {
+
+	private MockPropertySource propertySource = new MockPropertySource();
+
+	/**
+	 * Create a new {@code MockEnvironment} with a single {@link MockPropertySource}.
+	 */
+	public MockEnvironment() {
+		getPropertySources().addLast(propertySource);
+	}
+
+	/**
+	 * Set a property on the underlying {@link MockPropertySource} for this environment.
+	 */
+	public void setProperty(String key, String value) {
+		propertySource.setProperty(key, value);
+	}
+
+	/**
+	 * Convenient synonym for {@link #setProperty} that returns the current instance.
+	 * Useful for method chaining and fluent-style use.
+	 * @return this {@link MockEnvironment} instance
+	 * @see MockPropertySource#withProperty(String, String)
+	 */
+	public MockEnvironment withProperty(String key, String value) {
+		this.setProperty(key, value);
+		return this;
+	}
+
+}