diff --git a/core/http_client_builder_test.go b/core/http_client_builder_test.go
index 874a37d..c48ff71 100644
--- a/core/http_client_builder_test.go
+++ b/core/http_client_builder_test.go
@@ -25,6 +25,11 @@ func (t *HTTPClientBuilderTest) Test_SetTimeout() {
 	assert.Equal(t.T(), 90*time.Second, t.builder.httpClient.Timeout)
 }
 
+func (t *HTTPClientBuilderTest) Test_EnableLogging() {
+	t.builder.EnableLogging()
+	assert.Equal(t.T(), true, t.builder.logging)
+}
+
 func (t *HTTPClientBuilderTest) Test_SetMockAddress() {
 	addr := "mock.local:3004"
 	t.builder.SetMockAddress(addr)
@@ -56,6 +61,13 @@ func (t *HTTPClientBuilderTest) Test_SetSSLVerification() {
 	assert.True(t.T(), t.builder.httpTransport.TLSClientConfig.InsecureSkipVerify)
 }
 
+func (t *HTTPClientBuilderTest) Test_FromConfigNil() {
+	defer func() {
+		assert.Nil(t.T(), recover())
+	}()
+	t.builder.FromConfig(nil)
+}
+
 func (t *HTTPClientBuilderTest) Test_FromConfig() {
 	config := &HTTPClientConfig{
 		SSLVerification: boolPtr(true),