Test flakyness TestPartitionCapacity

[Gerrit91]

Description

Regression of #632?

 --- FAIL: TestPartitionCapacity (0.24s)
    --- FAIL: TestPartitionCapacity/non_filter_considers_all_machines (0.03s)
        partition-service_test.go:919: diff (-want +got):
              []*v1.PartitionCapacity{
              	&{
              		Common: v1.Common{
            - 			Identifiable: v1.Identifiable{ID: "partition-a"},
            + 			Identifiable: v1.Identifiable{ID: "partition-b"},
              			Describable:  {Name: &"", Description: &""},
              		},
              		ServerCapacities: v1.ServerCapacities{
              			&{
              				Size:                  "size-a",
            - 				Total:                 3,
            + 				Total:                 1,
            - 				PhonedHome:            3,
            + 				PhonedHome:            1,
              				Waiting:               0,
              				Other:                 0,
              				OtherMachines:         nil,
            - 				Allocated:             3,
            + 				Allocated:             1,
              				Allocatable:           0,
              				Free:                  0,
              				Unavailable:           0,
            - 				Faulty:                1,
            + 				Faulty:                0,
            - 				FaultyMachines:        []string{"1"},
            + 				FaultyMachines:        nil,
              				Reservations:          0,
              				UsedReservations:      0,
              				RemainingReservations: 0,
              			},
            - 			&{
            - 				Size:           "size-b",
            - 				Total:          1,
            - 				PhonedHome:     1,
            - 				Allocated:      1,
            - 				Faulty:         1,
            - 				FaultyMachines: []string{"4"},
            - 			},
              		},
              	},
              	&{
              		Common: v1.Common{
            - 			Identifiable: v1.Identifiable{ID: "partition-b"},
            + 			Identifiable: v1.Identifiable{ID: "partition-a"},
              			Describable:  {Name: &"", Description: &""},
              		},
              		ServerCapacities: v1.ServerCapacities{
              			&{
              				Size:                  "size-a",
            - 				Total:                 1,
            + 				Total:                 3,
            - 				PhonedHome:            1,
            + 				PhonedHome:            3,
              				Waiting:               0,
              				Other:                 0,
              				OtherMachines:         nil,
            - 				Allocated:             1,
            + 				Allocated:             3,
              				Allocatable:           0,
              				Free:                  0,
              				Unavailable:           0,
            - 				Faulty:                0,
            + 				Faulty:                1,
            - 				FaultyMachines:        nil,
            + 				FaultyMachines:        []string{"1"},
              				Reservations:          0,
              				UsedReservations:      0,
              				RemainingReservations: 0,
              			},
            + 			&{
            + 				Size:           "size-b",
            + 				Total:          1,
            + 				PhonedHome:     1,
            + 				Allocated:      1,
            + 				Faulty:         1,
            + 				FaultyMachines: []string{"4"},
            + 			},
              		},
              	},
              }