setup a default practice
The starting files for your chosen language,test-framework are always a function called answer that returns
6 * 9 and a test that expects 42

The starting files are unrelated to your chosen exercise. They are simply an example to start you off.

Tests must complete in ~15 seconds.
language?

Asm
BCPL
Bash
C (clang)
C (gcc)
C#
C++ (clang++)
C++ (g++)
Chapel
Clojure
CoffeeScript
D
Elixir
Erlang
F#
Fortran
Go
Groovy
Haskell
Java
Javascript
Kotlin
PHP
Perl
Python
R
Ruby
Rust
Swift
VHDL
VisualBasic
test-framework?

Boost.Test
Catch
Cgreen
CppUTest
Cucumber
Cucumber-Spring
ExUnit
FUnit
GoogleMock
GoogleTest
Igloo
JMock
JUnit
JUnit-Sqlite
Kotlintest
Midje
MiniTest
Mocha+chai+sinon
Mockito
Moq
NUnit
PHPUnit
PowerMockito
RSpec
RUnit
SpecFlow
Spock
Swordfish
Test::Simple
Test::Unit
XCTest
all_tests_passed
assert
assert+jQuery
bash_unit
bats
behave
clojure.test
eunit
hunit
jasmine
py.test
qunit+sinon
shunit2
test
testing
unittest