Add a new test: test_addActionComplicatedCommand().

This test fails with the following message.

<<expect>>: /usr/bin/@hoge -l '?ABC+{[=:;\~]}FOX-' --X '$^' --name "@'v'@"'
<<actual>>: /usr/bin/@hoge -l '?ABC {[=:;\\~]}FOX-' --X '$^' --name "@'v'@"'

<wordsExpect[i] == wordsActual[i]>
expected: <"/usr/bin/@hoge -l '?ABC+{[=:;\\~]}FOX-' --X '$^' --name \"@'v'@\"'">
  actual: <"/usr/bin/@hoge -l '?ABC {[=:;\\\\~]}FOX-' --X '$^' --name \"@'v'@\"'">

diff:
? "/usr/bin/@hoge -l '?ABC+{[=:;  \\~]}FOX-' --X '$^' --name \"@'v'@\"'"
?                               \\