Layer Estimates:

Layer: JoinAttachmentsTest_JoinLayer_1_to_1 (ID:0)
Count: 0
Extent:

XMin: -8864010.61048913
YMin: 5219275.7792204
XMax: -8089226.95456795
YMax: 5942071.3139214
Spatial Reference: 102100 (3857)