Add note to use Behat instead of PHPUnit_Extensions_Story_TestCase

Author: sebastianbergmann

src/3.7/en/behaviour-driven-development.xml

@@ -70,6 +70,15 @@
     is written and the domain language spoken by the" domain experts.
   </para>
 
+  <caution>
+    <para>
+      You want to use <ulink url="http://behat.org/">Behat</ulink> for
+      Behaviour-Driven Development instead of the
+      <literal>PHPUnit_Extensions_Story_TestCase</literal> extension to PHPUnit
+      that is discussed in the remainder of this chapter.
+    </para>
+  </caution>
+
   <para>
     <indexterm><primary><literal>PHPUnit_Extensions_Story_TestCase</literal></primary></indexterm>
 

src/3.8/en/behaviour-driven-development.xml

@@ -70,6 +70,15 @@
     is written and the domain language spoken by the" domain experts.
   </para>
 
+  <caution>
+    <para>
+      You want to use <ulink url="http://behat.org/">Behat</ulink> for
+      Behaviour-Driven Development instead of the
+      <literal>PHPUnit_Extensions_Story_TestCase</literal> extension to PHPUnit
+      that is discussed in the remainder of this chapter.
+    </para>
+  </caution>
+
   <para>
     <indexterm><primary><literal>PHPUnit_Extensions_Story_TestCase</literal></primary></indexterm>