setup a default practice
The starting files for your chosen language+tests 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 10 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
tests?

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