fix: commented out importer test (#691)

* fix: commented out importer test (fixes #659)

updated the importer test as a test suite
plus added the block export file
from https://github.com/cosmos/ethermint/blob/development/importer/blockchain

* remove a dead branch

* re-added CI check

* go 1.17

Makefile

@@ -257,7 +257,7 @@ godocs:
 
 test: test-unit
 test-all: test-unit test-race
-PACKAGES_UNIT=$(shell go list ./...)
+PACKAGES_UNIT=$(shell go list ./... | grep -Ev 'vendor|importer')
 TEST_PACKAGES=./...
 TEST_TARGETS := test-unit test-unit-cover test-race
 
@@ -282,9 +282,7 @@ else
 endif
 
 test-import:
-	@go test ./tests/importer -v --vet=off --run=TestImportBlocks --datadir tmp \
-	--blockchain blockchain
-	rm -rf tests/importer/tmp
+	go test -run TestImporterTestSuite -v --vet=off github.com/tharsis/ethermint/tests/importer
 
 test-rpc:
 	./scripts/integration-test-all.sh -t "rpc" -q 1 -z 1 -s 2 -m "rpc" -r "true"