tests: update for London (#22976)

This updates the tests submodule to the London fork tests, and
also updates the test runner to support the new EIP-1559 fields in
test JSON.

core/genesis.go

@@ -62,6 +62,7 @@ type Genesis struct {
 	Number     uint64      `json:"number"`
 	GasUsed    uint64      `json:"gasUsed"`
 	ParentHash common.Hash `json:"parentHash"`
+	BaseFee    *big.Int    `json:"baseFee"`
 }
 
 // GenesisAlloc specifies the initial state that is part of the genesis block.
@@ -292,7 +293,11 @@ func (g *Genesis) ToBlock(db ethdb.Database) *types.Block {
 		head.Difficulty = params.GenesisDifficulty
 	}
 	if g.Config != nil && g.Config.IsLondon(common.Big0) {
-		head.BaseFee = new(big.Int).SetUint64(params.InitialBaseFee)
+		if g.BaseFee != nil {
+			head.BaseFee = g.BaseFee
+		} else {
+			head.BaseFee = new(big.Int).SetUint64(params.InitialBaseFee)
+		}
 	}
 	statedb.Commit(false)
 	statedb.Database().TrieDB().Commit(root, true, nil)