flapping pg_query test with 1.8.7 compatible changes

output

$ [187_compatible] ~/devel/pg_query ruby -v
ruby 1.8.7 (2012-02-08 patchlevel 358) [i686-darwin13.4.0]
$ [187_compatible] ~/devel/pg_query be rspec spec -e 'PgQuery#truncate omits target list'
Run options: include {:full_description=>/PgQuery\#truncate\ omits\ target\ list/}
F

Failures:

  1) PgQuery#truncate omits target list
     Failure/Error: expect(described_class.parse(query).truncate(40)).to eq 'SELECT ... FROM xyz WHERE a = b'
       
       expected: "SELECT ... FROM xyz WHERE a = b"
            got: "SELECT ... FROM xyz WHERE ..."
       
       (compared using ==)
     # ./spec/lib/truncate_spec.rb:6

Finished in 0.00305 seconds (files took 0.10397 seconds to load)
1 example, 1 failure

Failed examples:

rspec ./spec/lib/truncate_spec.rb:4 # PgQuery#truncate omits target list
$ [187_compatible] ~/devel/pg_query be rspec spec -e 'PgQuery#truncate omits target list'
Run options: include {:full_description=>/PgQuery\#truncate\ omits\ target\ list/}
.

Finished in 0.00266 seconds (files took 0.10427 seconds to load)
1 example, 0 failures