Normalize test class name.
Normalize test class name.

* subversion/bindings/swig/ruby/test/test_fs.rb
  (SvnFsTest): Rename from TestSvnFs.

jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion