Add some the scaffolding for testing

As I attempt to habituate TDD, I should have some examples of tests to minimize
all friction preventing me from testing.

1 files changed, 1 insertions, 0 deletions

diff --git a/scratch/brilliant/shell.nix b/scratch/brilliant/shell.nix
index 58a2e9a6a573..06fcc7979d2e 100644
--- a/scratch/brilliant/shell.nix
+++ b/scratch/brilliant/shell.nix
@@ -3,6 +3,7 @@ let
 in pkgs.mkShell {
   buildInputs = with pkgs; [
     (haskellPackages.ghcWithPackages (hpkgs: with hpkgs; [
+      hspec
       optparse-applicative
     ]))
   ];