Running 'testthat.R' [224s]
Running the tests in 'tests/testthat.R' failed.
Complete output:
  > library("testthat")
  > test_check("freealg")
  Loading required package: freealg
  free algebra element algebraically equal to
  + 1*C + 6*Ab + 5*c + 3*cBCa
  free algebra element algebraically equal to
  + 1*c^-1 + 6*a^-1b + 5*c + 3*cb^-1c^-1a
  free algebra element algebraically equal to
  + 4*acba + 8*b + 1*baac + 2*cbac
  free algebra element algebraically equal to
  + 4*acba + 8*b + 1*baac + 2*cbac
  free algebra element algebraically equal to
  + 5*CBa + 2*BCbA + 4*BAA + 3*a + 1*aa
  free algebra element algebraically equal to
  + 5*c^-1b^-1a + 2*b^-1c^-1ba^-1 + 4*b^-1a^-1a^-1 + 3*a + 1*aa
  free algebra element algebraically equal to
  + 8*a + 2*bbbc + 1*cbbb + 4*ccb
  free algebra element algebraically equal to
  + 8*a + 2*bbbc + 1*cbbb + 4*ccb
  free algebra element algebraically equal to
  0
  free algebra element algebraically equal to
  0
  free algebra element algebraically equal to
  + 1
  free algebra element algebraically equal to
  + 1
  free algebra element algebraically equal to
  + 1 + 3*Xy + 2*x
  free algebra element algebraically equal to
  + 1 + 3*x^-1y + 2*x
  free algebra element algebraically equal to
  + 1 - 4*YYYYxxdxd + 3*Xy + 2*x
  free algebra element algebraically equal to
  + 1 - 4*y^-1y^-1y^-1y^-1xxdxd + 3*x^-1y + 2*x
  free algebra element algebraically equal to
  + 1 + 4*YYYYxxdxd + 3*Xy + 2*x
  free algebra element algebraically equal to
  + 1 + 4*y^-1y^-1y^-1y^-1xxdxd + 3*x^-1y + 2*x
  ".[x,y]" returns the commutator xy-yx
  ".[x,y]" returns the commutator xy-yx
  ".[x,y]" returns the commutator xy-yx
  ".[x,y]" returns the commutator xy-yx
  ".[x,y]" returns the commutator xy-yx
  ".[x,y]" returns the commutator xy-yx
  ".[x,y]" returns the commutator xy-yx
  ".[x,y]" returns the commutator xy-yx
  ".[x,y]" returns the commutator xy-yx
  ".[x,y]" returns the commutator xy-yx
  ".[x,y]" returns the commutator xy-yx
  ".[x,y]" returns the commutator xy-yx
  ".[x,y]" returns the commutator xy-yx
  ".[x,y]" returns the commutator xy-yx
  ".[x,y]" returns the commutator xy-yx
  ".[x,y]" returns the commutator xy-yx
  .local(x = x, i = i, j = j, value = value)
  [ FAIL 0 | WARN 0 | SKIP 0 | PASS 818 ]
  > 
  > proc.time()
     user  system elapsed 
    58.79    3.18   61.98