Fix buck classpath for tests

Change-Id: Idd2c22bbd2c81311c87a205fe707770300ec8f0c

org.eclipse.jgit.http.test/BUCK

@@ -23,6 +23,7 @@ for t in TESTS:
       '//lib/jetty:servlet',
       '//lib/jetty:security',
       '//lib/jetty:util',
+      '//lib:commons-logging',
     ],
     source_under_test = ['//org.eclipse.jgit.http.server:jgit-servlet'],
   )

org.eclipse.jgit.lfs.server.test/BUCK

@@ -28,6 +28,7 @@ for t in TESTS:
       '//lib/jetty:security',
       '//lib/jetty:util',
       '//lib:servlet-api',
+      '//lib:commons-logging',
     ],
     source_under_test = ['//org.eclipse.jgit.lfs.server:jgit-lfs-server'],
     vm_args = ['-Xmx256m', '-Dfile.encoding=UTF-8'],