lib/tests/misc.nix: move testFix into new category FIXED-POINTS

    ];

  };

  testFix = {

    expr = fix (x: {a = if x ? a then "a" else "b";});

    expected = {a = "a";};

  };

  testComposeExtensions = {

    expr = let obj = makeExtensible (self: { foo = self.bar; });

               f = self: super: { bar = false; baz = true; };

    attrsToList { someFunc= a: a + 1;}

  );

# FIXED-POINTS

  testFix = {

    expr = fix (x: {a = if x ? a then "a" else "b";});

    expected = {a = "a";};

  };

# GENERATORS

# these tests assume attributes are converted to lists

# in alphabetical order