Analyse following RPM build log snippet. Describe contents accurately, without speculation or suggestions for resolution.            
Your analysis must be as concise as possible, while keeping relevant information intact.
Snippet: 
    #display_table([{:a => 1, :nested => {:key => 'value'}}]) - returns "    +---+-----------------+\n    | a | nested          |\n    +---+-----------------+\n    | 1 | {:key=>\"value\"} |\n    +---+-----------------+\n"
      expected => "    +---+-----------------+\n    | a | nested          |\n    +---+-----------------+\n    | 1 | {:key=>\"value\"} |\n    +---+-----------------+\n"
      returned => "    +---+----------------+\n    | a | nested         |\n    +---+----------------+\n    | 1 | {key: \"value\"} |\n    +---+----------------+\n"

Test suite error