Revert DB tests

.github/workflows/tests.yml

@@ -13,7 +13,6 @@ jobs:
       - uses: actions/checkout@v3
       - uses: cachix/install-nix-action@v22
       - uses: DeterminateSystems/magic-nix-cache-action@main
-      - uses: HatsuneMiku3939/direnv-action@v1
       - name: Test
         run: |
           nix flake check -L -j auto

flake.nix

@@ -85,13 +85,11 @@
             checkInputs = [ pkgs.inventoryDevEnv pkgs.postgresql_15 pkgs.overmind ];
             checkPhase = ''
               mkdir -p $out
-              overmind start -D -l db
-              pytest --ds=network_inventory.settings.local \
+              pytest --ds=network_inventory.settings.ram_test \
                       -nauto \
                       --nomigrations \
                       --cov=./src \
                       ./src
-              overmind quit
             '';
           };
         };