Fix patroni test with mock.

pkg/util/patroni/patroni.go

@@ -144,7 +144,7 @@ type MemberData struct {
 	State           string            `json:"state"`
 	Role            string            `json:"role"`
 	ServerVersion   int               `json:"server_version"`
-	PendingRestart  string            `json:"pending_restart"`
+	PendingRestart  bool              `json:"pending_restart"`
 	ClusterUnlocked bool              `json:"cluster_unlocked"`
 	Patroni         MemberDataPatroni `json:"patroni"`
 }

pkg/util/patroni/patroni_test.go

@@ -93,13 +93,18 @@ func TestPatroniAPI(t *testing.T) {
 	}
 
 	mockClient := mocks.NewMockHTTPClient(ctrl)
-	mockClient.EXPECT().Get(gomock.Any()).Return(&response)
+	mockClient.EXPECT().Get(gomock.Any()).Return(&response, nil)
 
 	p := New(nil, mockClient)
 
-	_, err := p.GetMemberData(nil)
+	pod := v1.Pod{
+		Status: v1.PodStatus{
+			PodIP: "192.168.100.1",
+		},
+	}
+	_, err := p.GetMemberData(&pod)
 
 	if err != nil {
-		t.Errorf("Could not read Patroni data")
+		t.Errorf("Could not read Patroni data: %v", err)
 	}
 }