nixosTests.postgresql: run nixfmt

Because with as many changes as in here anybody working on those test
files will have merge conflicts anyway.

nixos/tests/postgresql/pgjwt.nix

@@ -1,43 +1,56 @@
-{ pkgs
-, makeTest
+{
+  pkgs,
+  makeTest,
 }:
 
 let
   inherit (pkgs) lib;
 
-  makeTestFor = package:
+  makeTestFor =
+    package:
     makeTest {
       name = "pgjwt-${package.name}";
       meta = with lib.maintainers; {
-        maintainers = [ spinus willibutz ];
+        maintainers = [
+          spinus
+          willibutz
+        ];
       };
 
-      nodes.master = { ... }:
+      nodes.master =
+        { ... }:
         {
           services.postgresql = {
             inherit package;
             enable = true;
-            extraPlugins = ps: with ps; [ pgjwt pgtap ];
+            extraPlugins =
+              ps: with ps; [
+                pgjwt
+                pgtap
+              ];
           };
         };
 
-      testScript = { nodes, ... }:
-      let
-        sqlSU = "${nodes.master.services.postgresql.superUser}";
-        pgProve = "${pkgs.perlPackages.TAPParserSourceHandlerpgTAP}";
-        inherit (nodes.master.services.postgresql.package.pkgs) pgjwt;
-      in
-      ''
-        start_all()
-        master.wait_for_unit("postgresql")
-        master.succeed(
-            "${pkgs.sudo}/bin/sudo -u ${sqlSU} ${pgProve}/bin/pg_prove -d postgres -v -f ${pgjwt.src}/test.sql"
-        )
-      '';
+      testScript =
+        { nodes, ... }:
+        let
+          sqlSU = "${nodes.master.services.postgresql.superUser}";
+          pgProve = "${pkgs.perlPackages.TAPParserSourceHandlerpgTAP}";
+          inherit (nodes.master.services.postgresql.package.pkgs) pgjwt;
+        in
+        ''
+          start_all()
+          master.wait_for_unit("postgresql")
+          master.succeed(
+              "${pkgs.sudo}/bin/sudo -u ${sqlSU} ${pgProve}/bin/pg_prove -d postgres -v -f ${pgjwt.src}/test.sql"
+          )
+        '';
     };
 in
 lib.recurseIntoAttrs (
-  lib.concatMapAttrs (n: p: { ${n} = makeTestFor p; }) (lib.filterAttrs (_: p: !p.pkgs.pgjwt.meta.broken) pkgs.postgresqlVersions)
+  lib.concatMapAttrs (n: p: { ${n} = makeTestFor p; }) (
+    lib.filterAttrs (_: p: !p.pkgs.pgjwt.meta.broken) pkgs.postgresqlVersions
+  )
   // {
     passthru.override = p: makeTestFor p;
   }