diff --git a/.github/workflows/codecov.yml b/.github/workflows/codecov.yml
index f4449be2..81ace1a3 100644
--- a/.github/workflows/codecov.yml
+++ b/.github/workflows/codecov.yml
@@ -44,7 +44,7 @@ jobs:
 
     - name: Coverage
       run: |
-          # go get -u github.com/wadey/gocovmerge
+          go get -u github.com/wadey/gocovmerge
           # go get -u github.com/Konstantin8105/cs
           # go get -u golang.org/x/sys/unix
           TRAVIS=true ./scripts/test.sh
diff --git a/scripts/test.sh b/scripts/test.sh
index c7aa7f82..010a9406 100755
--- a/scripts/test.sh
+++ b/scripts/test.sh
@@ -1,51 +1,59 @@
 #!/bin/bash
 
-go install github.com/ory/go-acc@latest
-
-touch ./coverage.tmp
-echo 'mode: atomic' > coverage.txt
-go list ./... | grep -v /cmd | grep -v /vendor | xargs -n1 -I{} sh -c 'go test -covermode=atomic -coverprofile=coverage.tmp -coverpkg $(go list ./... | grep -v /vendor | tr "\n" ",") {} && tail -n +2 coverage.tmp >> coverage.txt || exit 255' && rm coverage.tmp
-
-
-# set -e
-# 
-# echo "" > coverage.txt
-# 
-# mkdir -p ./testdata/
-# 
-# # Package list
-# export PKGS=$(go list ./... | grep -v c4go/testdata | grep -v c4go/examples | grep -v c4go/tests | grep -v /vendor/ | tr '\n' ' ')
-# 
-# # Make comma-separated.
-# export PKGS_DELIM=$(echo "$PKGS" | tr ' ' ',')
-# 
-# echo "PKGS       : $PKGS"
-# echo "PKGS_DELIM : $PKGS_DELIM"
-# 
-# go test                                 \
-# 				  -cover                \
-# 				  -timeout=30m          \
-# 	              -coverpkg=$PKGS_DELIM \
-# 				  -coverprofile=./testdata/pkg.coverprofile $PKGS
-# 
-# # Merge coverage profiles.
-# COVERAGE_FILES=`ls -1 ./testdata/*.coverprofile 2>/dev/null | wc -l`
-# if [ $COVERAGE_FILES != 0 ]; then
-# 	# check program `gocovmerge` is exist
-# 	if which gocovmerge >/dev/null 2>&1; then
-# 		export FILES=$(ls testdata/*.coverprofile | tr '\n' ' ')
-# 		echo "Combine next coverprofiles : $FILES"
-# 		gocovmerge $FILES > coverage.txt
-# 	fi
-# fi
-
-# echo "" > coverage.out
-# for d in $(go list ./... | grep -v vendor); do
-#     go test -v -race -coverprofile=profile.out -covermode=atomic $d
-#     if [ -f profile.out ]; then
-#         cat profile.out >> coverage.out
-#         rm profile.out
-#     fi
-# done
-
-# echo "End of coverage"
+# go install github.com/ory/go-acc@latest
+#
+# touch ./coverage.tmp
+# echo 'mode: atomic' > coverage.txt
+# go list ./... | grep -v /cmd | grep -v /vendor | xargs -n1 -I{} sh -c 'go test -covermode=atomic -coverprofile=coverage.tmp -coverpkg $(go list ./... | grep -v /vendor | tr "\n" ",") {} && tail -n +2 coverage.tmp >> coverage.txt || exit 255' && rm coverage.tmp
+
+
+set -e
+
+echo "" > coverage.txt
+
+mkdir -p ./testdata/
+
+# github.com/Konstantin8105/c4go
+# github.com/Konstantin8105/c4go/ast
+# github.com/Konstantin8105/c4go/examples // ignore
+# github.com/Konstantin8105/c4go/noarch
+# github.com/Konstantin8105/c4go/preprocessor
+# github.com/Konstantin8105/c4go/program
+# github.com/Konstantin8105/c4go/scripts
+# github.com/Konstantin8105/c4go/testdata // ignore
+# github.com/Konstantin8105/c4go/tests    // ignore
+# github.com/Konstantin8105/c4go/transpiler
+# github.com/Konstantin8105/c4go/types
+# github.com/Konstantin8105/c4go/util
+# github.com/Konstantin8105/c4go/version
+
+# Package list
+# export PKGS="github.com/Konstantin8105/c4go github.com/Konstantin8105/c4go/ast github.com/Konstantin8105/c4go/noarch github.com/Konstantin8105/c4go/preprocessor github.com/Konstantin8105/c4go/program github.com/Konstantin8105/c4go/scripts github.com/Konstantin8105/c4go/transpiler github.com/Konstantin8105/c4go/types github.com/Konstantin8105/c4go/util github.com/Konstantin8105/c4go/version"
+export PKGS="github.com/Konstantin8105/c4go github.com/Konstantin8105/c4go/ast github.com/Konstantin8105/c4go/version"
+# $(go list ./... | grep -v c4go/testdata | grep -v c4go/examples | grep -v c4go/tests | grep -v /vendor/ | tr '\n' ' ')
+
+# Make comma-separated.
+export PKGS_DELIM=$(echo "$PKGS" | tr ' ' ',')
+
+echo "PKGS       : $PKGS"
+echo "PKGS_DELIM : $PKGS_DELIM"
+
+go test                                 \
+				  -cover                \
+                  -covermode=atomic     \
+				  -timeout=30m          \
+	              -coverpkg=$PKGS_DELIM \
+				  -coverprofile=./testdata/pkg.coverprofile $PKGS
+
+# Merge coverage profiles.
+COVERAGE_FILES=`ls -1 ./testdata/*.coverprofile 2>/dev/null | wc -l`
+if [ $COVERAGE_FILES != 0 ]; then
+	# check program `gocovmerge` is exist
+	if which gocovmerge >/dev/null 2>&1; then
+		export FILES=$(ls testdata/*.coverprofile | tr '\n' ' ')
+		echo "Combine next coverprofiles : $FILES"
+		gocovmerge $FILES > coverage.txt
+	fi
+fi
+
+echo "End of coverage"