Invert assertion

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/chain/trunk@1492392 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/core/src/test/java/org/apache/commons/chain2/impl/ContextBaseTestCase.java b/core/src/test/java/org/apache/commons/chain2/impl/ContextBaseTestCase.java
index 01a249d..c6c3ae6 100644
--- a/core/src/test/java/org/apache/commons/chain2/impl/ContextBaseTestCase.java
+++ b/core/src/test/java/org/apache/commons/chain2/impl/ContextBaseTestCase.java
@@ -17,6 +17,7 @@
 package org.apache.commons.chain2.impl;
 
 import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertTrue;
@@ -141,14 +142,14 @@
     @Test
     public void testContains() {
 
-        assertTrue(!context.containsKey("bop"));
-        assertTrue(!context.containsValue("bop value"));
+        assertFalse(context.containsKey("bop"));
+        assertFalse(context.containsValue("bop value"));
         context.put("bop", "bop value");
         assertTrue(context.containsKey("bop"));
         assertTrue(context.containsValue("bop value"));
         context.remove("bop");
-        assertTrue(!context.containsKey("bop"));
-        assertTrue(!context.containsValue("bop value"));
+        assertFalse(context.containsKey("bop"));
+        assertFalse(context.containsValue("bop value"));
 
     }