Bug#676393: one command is failing to run

[Praveen A <pravi.a@gmail.com>]

2012/10/26 Praveen A <pravi.a@gmail.com>:
> One more bug in one command https://github.com/glejeune/Ruby-Graphviz/issues/56
>
> I'll upload the package as all tests are run correctly and other
> commands are also running correctly.

Though it runs all the tests correctly with dpkg-buildpackage, it is
failing to run some tests using 'dot' with the following error when
run with pbuilder.

64) Failure:
test_sample69(GraphVizTest)
    [./test/test_examples.rb:125:in `assert_sample_file_has_no_output'
     ./test/test_examples.rb:97:in `test_sample69']:
got exception on sample69.rb: Error from "/usr/bin/dot" -q1   -Tpng
-o./test/output/sample69.rb.png
/tmp/graphviz.rb20121026-14167-gb2xpp-0:

(process:14361): Pango-WARNING **: error opening config file
'/root/.pangorc': Permission denied

.
<false> is not true.

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