2020-10-30 * Set up liability
    Expenses:Test                     310.56 EUR
    Liabilities:Foo                  -310.56 EUR

2020-10-30 * Pay liability
    Assets:Bank          -416.30 AUD @ 0.746 EUR
    Liabilities:Foo

2020-10-30 * Put another commodity into the account so the account is always displayed
    Expenses:Test                      10.00 GBP
    Liabilities:Foo

test bal Liabilities:Foo
          -10.00 GBP  Liabilities:Foo
end test