diff --git a/cluster/manager/manager_test.go b/cluster/manager/manager_test.go
index 6e18ac4bd..ed9b9bc80 100644
--- a/cluster/manager/manager_test.go
+++ b/cluster/manager/manager_test.go
@@ -143,15 +143,16 @@ func TestRemoveOnlineNode(t *testing.T) {
 	err = kvdb.SetInstance(kv)
 	assert.NoError(t, err)
 
-	// when force flag is false, node status check should take precedence 
+	// when force flag is false, node status check should take precedence
 	err = testManager.Remove([]api.Node{nodeToRemove}, false)
-	assert.ErrorContains(t, err, fmt.Sprintf(decommissionErrMsg, testNodeID))
+	assert.Error(t, err)
+	assert.EqualError(t, err, fmt.Sprintf(decommissionErrMsg, testNodeID))
 
 	// when force flag is true, we shouldn't abort due to node status
 	mockListener.EXPECT().String().Return(testNodeID)
 	mockListener.EXPECT().MarkNodeDown(gomock.Any()).Return(mockErr)
 
 	err = testManager.Remove([]api.Node{nodeToRemove}, true)
-	assert.ErrorIs(t, err, mockErr)
+	assert.EqualError(t, err, mockErr.Error())
 
 }