describe.md
In testthat: Unit Testing for R

describe: has to have a valid description for the block

Code
  describe()
Condition
  Error in `describe()`:
  ! `description` must be a single string, not absent.
Code
  describe("")
Condition
  Error in `describe()`:
  ! `description` must be a single string, not the empty string "".
Code
  describe(c("a", "b"))
Condition
  Error in `describe()`:
  ! `description` must be a single string, not a character vector.
Code
  it()
Condition
  Error in `it()`:
  ! `description` must be a single string, not absent.
Code
  it("")
Condition
  Error in `it()`:
  ! `description` must be a single string, not the empty string "".
Code
  it(c("a", "b"))
Condition
  Error in `it()`:
  ! `description` must be a single string, not a character vector.