fix two failing test in IPython.lib

IPython/lib/tests/test_irunner_pylab_magic.py

@@ -83,7 +83,8 b' In \\[1\\]: from IPython\\.config\\.application import Application'
 In \[2\]: app = Application\.instance\(\)
 In \[3\]: app\.pylab_import_all = True
 In \[4\]: pylab
-^using matplotlib backend:
+^Using matplotlib backend:
+Populating the interactive namespace from numpy and matplotlib
 In \[5\]: ip=get_ipython\(\)
 In \[6\]: \'plot\' in ip\.user_ns
 Out\[6\]: True
@@ -108,7 +109,8 b' In \\[1\\]: from IPython\\.config\\.application import Application'
 In \[2\]: app = Application\.instance\(\)
 In \[3\]: app\.pylab_import_all = False
 In \[4\]: pylab
-^using matplotlib backend:
+^Using matplotlib backend:
+Populating the interactive namespace from numpy and matplotlib
 In \[5\]: ip=get_ipython\(\)
 In \[6\]: \'plot\' in ip\.user_ns
 Out\[6\]: False