diff --git a/cl/coverage b/cl/coverage
new file mode 100644
index 000000000..e15ab5288
--- /dev/null
+++ b/cl/coverage
@@ -0,0 +1,15 @@
+#!/bin/bash
+
+SKIP_TESTS=(
+    "github.com\/ledgerwatch\/erigon\/cl\/beacon"
+    "github.com\/ledgerwatch\/erigon\/cl\/phase1"
+    "github.com\/ledgerwatch\/erigon\/cl\/phase1\/core"
+    "github.com\/ledgerwatch\/erigon\/cl\/phase1\/network"
+    "github.com\/ledgerwatch\/erigon\/cl\/phase1\/stages"
+    "github.com\/ledgerwatch\/erigon\/cl\/rpc"
+    "github.com\/ledgerwatch\/erigon\/cl\/spectest\/consensus_tests"
+)
+
+FLAGS=$(printf " -e /%s\\\t/d" "${SKIP_TESTS[@]}")
+
+go test ./... --cover | sed ${FLAGS}
diff --git a/cl/phase1/cache/cache_test.go b/cl/phase1/cache/cache_test.go
new file mode 100644
index 000000000..7f0010d7c
--- /dev/null
+++ b/cl/phase1/cache/cache_test.go
@@ -0,0 +1,18 @@
+package cache_test
+
+import (
+	"testing"
+
+	"github.com/ledgerwatch/erigon/cl/cltypes/solid"
+	"github.com/ledgerwatch/erigon/cl/phase1/cache"
+	"github.com/stretchr/testify/require"
+)
+
+func TestAttestationsCache(t *testing.T) {
+	input := []uint64{1}
+	a := &solid.AttestationData{}
+	cache.StoreAttestation(a, []uint64{1})
+	output, valid := cache.LoadAttestatingIndicies(a)
+	require.True(t, valid)
+	require.Equal(t, input, output)
+}