revert changes (#12649)

Revert parallel test execution cause gitlab runner is not strong enough
(#12644)

.github/workflows/test-erigon-is-library.yml

@@ -1,4 +1,4 @@
-name: Library integration tests
+name: Integration tests
 on:
   push:
     branches:

.github/workflows/test-integration.yml

@@ -1,4 +1,4 @@
-name: Erigon integration tests
+name: Integration tests
 on:
   push:
     branches:
@@ -24,7 +24,6 @@ jobs:
         os:
           - ubuntu-22.04
           - macos-14
-          - ubuntu-latest-erigontests-large
     runs-on: ${{ matrix.os }}
 
     steps:
@@ -38,7 +37,7 @@ jobs:
         run: sudo apt update && sudo apt install build-essential
 
       - name: test-integration
-        run: GOGC=50 make test-integration
+        run: make test-integration
 
   tests-windows:
     strategy:

Makefile

@@ -65,7 +65,7 @@ GO_FLAGS += -ldflags "-X ${PACKAGE}/params.GitCommit=${GIT_COMMIT} -X ${PACKAGE}
 
 GOBUILD = ${CPU_ARCH} CGO_CFLAGS="$(CGO_CFLAGS)" CGO_LDFLAGS="$(CGO_LDFLAGS)" GOPRIVATE="$(GOPRIVATE)" $(GO) build $(GO_FLAGS)
 GO_DBG_BUILD = ${CPU_ARCH} CGO_CFLAGS="$(CGO_CFLAGS) -DMDBX_DEBUG=1" CGO_LDFLAGS="$(CGO_LDFLAGS)" GOPRIVATE="$(GOPRIVATE)" $(GO) build -tags $(BUILD_TAGS),debug -gcflags=all="-N -l"  # see delve docs
-GOTEST = ${CPU_ARCH} CGO_CFLAGS="$(CGO_CFLAGS)" CGO_LDFLAGS="$(CGO_LDFLAGS)" GOPRIVATE="$(GOPRIVATE)" GODEBUG=cgocheck=0 GOTRACEBACK=1 $(GO) test $(GO_FLAGS) ./...
+GOTEST = ${CPU_ARCH} CGO_CFLAGS="$(CGO_CFLAGS)" CGO_LDFLAGS="$(CGO_LDFLAGS)" GOPRIVATE="$(GOPRIVATE)" GODEBUG=cgocheck=0 GOTRACEBACK=1 $(GO) test $(GO_FLAGS) ./... -p 2
 
 default: all
 

tests/block_test.go

@@ -53,7 +53,6 @@ func TestBlockchain(t *testing.T) {
 	checkStateRoot := true
 
 	bt.walk(t, blockTestDir, func(t *testing.T, name string, test *BlockTest) {
-		t.Parallel()
 		// import pre accounts & construct test genesis block & state root
 		if err := bt.checkFailure(t, test.Run(t, checkStateRoot)); err != nil {
 			t.Error(err)

tests/exec_spec_test.go

@@ -35,7 +35,6 @@ func TestExecutionSpec(t *testing.T) {
 	checkStateRoot := true
 
 	bt.walk(t, dir, func(t *testing.T, name string, test *BlockTest) {
-		t.Parallel()
 		// import pre accounts & construct test genesis block & state root
 		if err := bt.checkFailure(t, test.Run(t, checkStateRoot)); err != nil {
 			t.Error(err)

tests/state_test.go

@@ -39,7 +39,6 @@ import (
 )
 
 func TestState(t *testing.T) {
-	t.Parallel()
 	defer log.Root().SetHandler(log.Root().GetHandler())
 	log.Root().SetHandler(log.LvlFilterHandler(log.LvlError, log.StderrHandler))
 	if runtime.GOOS == "windows" {