Fix a unit test failure

Author: cowtowncoder

csv/src/test/java/com/fasterxml/jackson/dataformat/csv/NullReader122Test.java

@@ -17,7 +17,7 @@ public void testEmptyStream() throws Exception {
             /*Object ob =*/ r.readValue((Reader) null);
             fail("Should not pass");
         } catch (IllegalArgumentException e) {
-            verifyException(e, "Can not pass `null`");
+            verifyException(e, "Argument \"src\" is null");
         }
     }
 }

pom.xml

@@ -3,7 +3,7 @@
   <parent>
     <groupId>com.fasterxml.jackson</groupId>
     <artifactId>jackson-base</artifactId>
-    <version>2.10.0.pr1</version>
+    <version>2.10.0.pr2-SNAPSHOT</version>
   </parent>
   <groupId>com.fasterxml.jackson.dataformat</groupId>
   <artifactId>jackson-dataformats-text</artifactId>