[issue-#1018] EVM Module keeper - Improve code coverage

CHANGELOG.md

@@ -64,6 +64,7 @@ Ref: https://keepachangelog.com/en/1.0.0/
 * (cli) [#1360](https://github.com/evmos/ethermint/pull/1360) Introduce a new `grpc-only` flag, such that when enabled, will start the node in a query-only mode. Note, gRPC MUST be enabled with this flag.
 * (rpc) [#1378](https://github.com/evmos/ethermint/pull/1378) Add support for EVM RPC metrics
 * (ante) [#1390](https://github.com/evmos/ethermint/pull/1390) Added multisig tx support.
+* (test) [#1396](https://github.com/evmos/ethermint/pull/1396) Increase test coverage for the EVM module `keeper`
 
 ### Bug Fixes
 

x/evm/keeper/abci_test.go

@@ -0,0 +1,24 @@
+package keeper_test
+
+import (
+	"github.com/tendermint/tendermint/abci/types"
+    evmtypes "github.com/evmos/ethermint/x/evm/types"
+)
+
+
+func (suite *KeeperTestSuite) TestEndBlock() {
+
+	suite.Run("EndBlock test", func() {
+        suite.SetupTest()   // reset
+
+        em := suite.ctx.EventManager()
+        suite.Require().Equal(0, len(em.Events()))
+
+        res := suite.app.EvmKeeper.EndBlock(suite.ctx, types.RequestEndBlock{})
+		suite.Require().Equal([]types.ValidatorUpdate{}, res)
+
+        // should emit 1 EventTypeBlockBloom event on EndBlock
+        suite.Require().Equal(1, len(em.Events()))
+        suite.Require().Equal(evmtypes.EventTypeBlockBloom, em.Events()[0].Type)
+	})
+}