Update test/Project.toml

Author: ufechner7

test/Project.toml

@@ -1,4 +1,5 @@
 [deps]
+VortexStepMethod = "ed3cd733-9f0f-46a9-93e0-89b8d4998dd9"
 Aqua = "4c88cf16-eb10-579e-8560-4a9242c79595"
 BenchmarkTools = "6e4b80f9-dd63-53aa-95a3-0cdb28fa8baf"
 CSV = "336ed68f-0bac-5ca0-87d4-7b16caf5d00b"
@@ -33,3 +34,6 @@ StaticArrays = "1"
 Statistics = "1"
 Test = "1"
 YAML = "0.4.13"
+
+[sources]
+VortexStepMethod = {path = ".."}