add tests

.github/CODEOWNERS

@@ -6,4 +6,6 @@
 
 # review whenever someone opens a pull request.
 
-* @darioush @ceyonur
+- @darioush @ceyonur
+
+fortest

params/precompile_upgrade.go

@@ -20,6 +20,7 @@ var errNoKey = errors.New("PrecompileUpgrade cannot be empty")
 // It is used to unmarshal the json into the correct precompile config type
 // based on the key. Keys are defined in each precompile module, and registered in
 // precompile/registry/registry.go.
+// For test
 type PrecompileUpgrade struct {
 	precompileconfig.Config
 }

plugin/evm/mempool_atomic_gossiping_test.go

@@ -17,6 +17,7 @@ import (
 
 // shows that a locally generated AtomicTx can be added to mempool and then
 // removed by inclusion in a block
+// for test
 func TestMempoolAddLocallyCreateAtomicTx(t *testing.T) {
 	for _, name := range []string{"import", "export"} {
 		t.Run(name, func(t *testing.T) {