anchor.diff:        '';
   
     coverage =
  -    name: postgresql:
  -    checkedShellScript
  -      {
  -        inherit name;
  +    checkedShellScript
  +      {
  +        name = "postgrest-coverage";
           docs = "Run spec and io tests while collecting hpc coverage data.";
           inRootDir = true;
           redirectTixFiles = false;
  
positive.code:     ]);
  
    testIO =
      name: postgresql:
      checkedShellScript
        {
          inherit name;
          docs = "Run the pytest-based IO tests.";
          inRootDir = true;
        }
  
negative.code: 
      paths =
        [
          testSpec.bin
          testSpecIdempotence.bin
          testIO.bin
          dumpSchema.bin
          coverage.bin
          coverageDraftOverlay.bin
          withAllVersions.bin
        ] ++ withPostgresqlVersions;
    }
    # The memory tests have large dependencies (a profiled build of PostgREST)
    # and are run less often than the spec tests, so we don't include them in
    # the default test environment. We make them available through a separate attribute:
    // {
    memoryTests = testMemory.bin;
  }
  