test/.../nvm_stdout_is_terminal: bugfix (die has to be called in main…

… process)

test/fast/Unit tests/nvm_stdout_is_terminal

@@ -19,7 +19,7 @@ else
   ! nvm_stdout_is_terminal </dev/null || die 'nvm_stdout_is_terminal should be false when stdin is redirected'
 fi
 
-(! nvm_stdout_is_terminal || die 'nvm_stdout_is_terminal should be false when stdout goes to a pipe') | cat
+(nvm_stdout_is_terminal || echo "boo!") | read && die 'nvm_stdout_is_terminal should be false when stdout goes to a pipe'
 ! nvm_stdout_is_terminal >/dev/null || die 'nvm_stdout_is_terminal should be false when stdout goes to /dev/null'
 ! nvm_stdout_is_terminal >"$tempfile" || die 'nvm_stdout_is_terminal should be false when stdout goes to a file'
 [ "$(nvm_stdout_is_terminal; echo $?)" = "1" ] || die 'nvm_stdout_is_terminal should be false in command substitution'