Adding Tests

Author: Mohammed Ehab

lambdacontext/context_test.go

@@ -0,0 +1,15 @@
+package lambdacontext
+
+import (
+	"encoding/json"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestClientContextUnmarshalJSON_InvalidJSON(t *testing.T) {
+	var cc ClientContext
+	err := json.Unmarshal([]byte(`not valid json`), &cc)
+	assert.Error(t, err)
+	assert.Empty(t, cc.Custom)
+}