use micromamba_jll rather than MKL_jll to test lazy artifacts (#772)

Author: IanButterworth

examples/MyApp/Project.toml

@@ -10,5 +10,5 @@ Distributed = "8ba89e20-285c-5b6f-9357-94700520ee1b"
 Example = "7876af07-990d-54b4-ab0e-23690620f79a"
 HelloWorldC_jll = "dca1746e-5efc-54fc-8249-22745bc95a49"
 LLVMExtra_jll = "dad2f222-ce93-54a1-a47d-0025e8a3acab"
-MKL_jll = "856f044c-d86e-5d09-b602-aeab76dc8ba7"
 Random = "9a3f8284-a2c9-5f02-9a11-845980a1fd5c"
+micromamba_jll = "f8abcde7-e9b7-5caa-b8af-a437887ae8e4"

examples/MyApp/src/MyApp.jl

@@ -9,7 +9,7 @@ if VERSION >= v"1.7.0"
     using LLVMExtra_jll
 end
 
-using MKL_jll
+using micromamba_jll
 
 const myrand = rand()
 
@@ -93,10 +93,10 @@ function real_main()
         end
     end
 
-    if isfile(MKL_jll.libmkl_core_path)
-        println("MKL_jll path: ok!")
+    if isfile(micromamba_jll.micromamba_path)
+        println("micromamba_jll path: ok!")
     else
-        println("MKL_jll path: fail!")
+        println("micromamba_jll path: fail!")
     end
     return
 end

test/runtests.jl

@@ -141,7 +141,7 @@ end
             if VERSION >= v"1.7-"
                 @test occursin("LLVMExtra path: ok!", app_output)
             end
-            @test occursin("MKL_jll path: ok!", app_output)
+            @test occursin("micromamba_jll path: ok!", app_output)
 
             # Test second app
             app_output = read(`$(app_path("SecondApp"))`, String)