Fix naming of _total metric #1157

Job	Run time
build-dse7	5m 56s
build-dse (jdk8, LifecycleIT)	14m 20s
build-dse (jdk8, KeepAliveIT)	13m 0s
build-dse (jdk8, NonDestructiveOpsIT)	20m 22s
build-dse (jdk8, DestructiveOpsIT)	11m 30s
build-dse (jdk8, DSESpecificIT)	11m 0s
build-oss (3.11, LifecycleIT)	8m 36s
build-dse (ubi, LifecycleIT)	13m 49s
build-oss (3.11, KeepAliveIT)	7m 30s
build-dse (ubi, KeepAliveIT)	12m 3s
build-oss (3.11, NonDestructiveOpsIT)	13m 39s
build-oss (3.11, DestructiveOpsIT)	6m 36s
build-dse (ubi, NonDestructiveOpsIT)	15m 3s
build-oss (4.0, LifecycleIT)	10m 3s
build-oss (4.0, KeepAliveIT)	8m 42s
build-dse (ubi, DestructiveOpsIT)	8m 45s
build-oss (4.0, NonDestructiveOpsIT)	14m 15s
build-dse (ubi, DSESpecificIT)	7m 37s
build-oss (4.0, DestructiveOpsIT)	7m 14s
build-oss (4.1, LifecycleIT)	11m 4s
build-oss (4.1, KeepAliveIT)	8m 43s
build-oss (4.1, NonDestructiveOpsIT)	13m 21s
build-oss (4.1, DestructiveOpsIT)	8m 6s
build-oss (3.11_ubi, LifecycleIT)	8m 37s
build-oss (3.11_ubi, KeepAliveIT)	7m 39s
build-oss (3.11_ubi, NonDestructiveOpsIT)	14m 9s
build-oss (3.11_ubi, DestructiveOpsIT)	6m 52s
build-oss (4.0_ubi, LifecycleIT)	11m 9s
build-oss (4.0_ubi, KeepAliveIT)	8m 32s
build-oss (4.0_ubi, NonDestructiveOpsIT)	14m 39s
build-oss (4.0_ubi, DestructiveOpsIT)	7m 19s
build-oss (4.1_ubi, LifecycleIT)	11m 15s
build-oss (4.1_ubi, KeepAliveIT)	6m 58s
build-oss (4.1_ubi, NonDestructiveOpsIT)	13m 39s
build-oss (4.1_ubi, DestructiveOpsIT)	6m 1s
Publish DSE 6.8 Ubuntu image	0s
Publish DSE 6.8 UBI 8 image	0s
Publish ${{ matrix.cassandra-version }} Cassandra image	0s
	6h 8m 3s

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