Fixed ci/script.sh to run tests when desired.
Fixed ci/script.sh to run tests when desired.

berkowski/nix,Susurrus/nix,xd009642/nix,carllerche/nix-rust,kamalmarhubi/nix-rust,nix-rust/nix,berkowski/nix,geofft/nix-rust,kamalmarhubi/nix-rust,asomers/nix,asomers/nix,Susurrus/nix,MarkusJais/nix-rust,xd009642/nix,Susurrus/nix,berkowski/nix,nix-rust/nix,carllerche/nix-rust,carllerche/nix-rust,geofft/nix-rust,MarkusJais/nix-rust,geofft/nix-rust,kamalmarhubi/nix-rust,MarkusJais/nix-rust,xd009642/nix