diff --git a/collectors/pool_usage_test.go b/collectors/pool_usage_test.go
index 8949f10..81d44e7 100644
--- a/collectors/pool_usage_test.go
+++ b/collectors/pool_usage_test.go
@@ -144,16 +144,16 @@ func TestPoolUsageCollector(t *testing.T) {
 	{"id": 33, "name": "cinder_ssd", "stats": { "bytes_used": 68865564849, "dirty": 16461, "kb_used": 67251529, "max_avail": 186205372416, "objects": 16461, "quota_bytes": 0, "quota_objects": 0, "raw_bytes_used": 206596702208, "rd": 347, "rd_bytes": 12899328, "wr": 26721, "wr_bytes": 68882356224 }}
 ]}`,
 			reMatch: []*regexp.Regexp{
-				regexp.MustCompile(`ceph_pool_available_bytes{pool="cinder_sas"} 6.038099023189e\+12`),
+				regexp.MustCompile(`ceph_pool_available_bytes{pool="cinder_sas"} 6.038098673664e\+12`),
 				regexp.MustCompile(`ceph_pool_dirty_objects_total{pool="cinder_sas"} 17124`),
 				regexp.MustCompile(`ceph_pool_objects_total{pool="cinder_sas"} 17124`),
 				regexp.MustCompile(`ceph_pool_raw_used_bytes{pool="cinder_sas"} 2.14576054272e\+11`),
-				regexp.MustCompile(`ceph_pool_read_bytes_total{pool="cinder_sas"} 3.28898385408e\+12`),
-				regexp.MustCompile(`ceph_pool_read_total{pool="cinder_sas"} 3.48986646e\+08`),
+				regexp.MustCompile(`ceph_pool_read_bytes_total{pool="cinder_sas"} 3.288983853056e\+12`),
+				regexp.MustCompile(`ceph_pool_read_total{pool="cinder_sas"} 3.48986643e\+08`),
 				regexp.MustCompile(`ceph_pool_used_bytes{pool="cinder_sas"} 7.1525351713e\+10`),
 				regexp.MustCompile(`ceph_pool_write_bytes_total{pool="cinder_sas"} 2.72268791808e\+11`),
 				regexp.MustCompile(`ceph_pool_write_total{pool="cinder_sas"} 4.5792703e\+07`),
-				regexp.MustCompile(`ceph_pool_available_bytes{pool="cinder_ssd"} 1.86205361493e\+11`),
+				regexp.MustCompile(`ceph_pool_available_bytes{pool="cinder_ssd"} 1.86205372416e\+11`),
 				regexp.MustCompile(`ceph_pool_dirty_objects_total{pool="cinder_ssd"} 16461`),
 				regexp.MustCompile(`ceph_pool_objects_total{pool="cinder_ssd"} 16461`),
 				regexp.MustCompile(`ceph_pool_raw_used_bytes{pool="cinder_ssd"} 2.06596702208e\+11`),