e2e: add workflow for e2e module. (#6051)

* e2e: add workflow for e2e module.

* e2e: exclude running actual e2e tests.

* chore: Rename job name.

.github/workflows/e2emodule.yml

@@ -0,0 +1,33 @@
+name: E2E Unit tests/Lint.
+# This workflow runs when a PR is opened that targets code that is part of the e2e module.
+on:
+  pull_request:
+    paths:
+      - '.github/workflows/e2emodule.yml'
+      - 'e2e/**'
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/setup-go@v5
+        with:
+          go-version: '1.21'
+      - uses: actions/checkout@v4
+      - uses: golangci/golangci-lint-action@v4.0.0
+        with:
+          version: v1.54.2
+          args: --timeout 5m
+          working-directory: e2e/
+
+  tests:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-go@v5
+        with:
+          go-version: '1.21'
+      - name: Go Test
+        run: |
+          cd e2e
+          go test -v -mod=readonly ./... -tags='test_e2e'

e2e/tests/upgrades/genesis_test.go

@@ -125,7 +125,7 @@ func (s *GenesisTestSuite) TestIBCGenesis() {
 	s.Require().NoError(test.WaitForBlocks(ctx, 10, chainA, chainB), "failed to wait for blocks")
 
 	t.Run("Halt chain and export genesis", func(t *testing.T) {
-		s.HaltChainAndExportGenesis(ctx, chainA.(*cosmos.CosmosChain), relayer, int64(haltHeight))
+		s.HaltChainAndExportGenesis(ctx, chainA.(*cosmos.CosmosChain), relayer, haltHeight)
 	})
 
 	t.Run("ics20: native IBC token transfer from chainA to chainB, sender is source of tokens", func(t *testing.T) {
@@ -242,5 +242,5 @@ func (s *GenesisTestSuite) HaltChainAndExportGenesis(ctx context.Context, chain
 	height, err := chain.Height(ctx)
 	s.Require().NoError(err, "error fetching height after halt")
 
-	s.Require().Greater(int64(height), haltHeight, "height did not increment after halt")
+	s.Require().Greater(height, haltHeight, "height did not increment after halt")
 }