Try avoiding a name conflict

Author: timholy

contrib/generate_precompile.jl

@@ -119,15 +119,15 @@ if Libdl !== nothing
     """
 end
 
-Test = get(Base.loaded_modules,
+_Test = get(Base.loaded_modules,
           Base.PkgId(Base.UUID("8dfed614-e22c-5e08-85e1-65c5234f0b40"), "Test"),
           nothing)
-if Test !== nothing
+if _Test !== nothing
     hardcoded_precompile_statements *= """
-    @assert precompile(Tuple{typeof(Test.do_test), Test.ExecutionResult, Any})
-    @assert precompile(Tuple{typeof(Test.testset_beginend), Tuple{String, Expr}, Expr, LineNumberNode})
-    @assert precompile(Tuple{typeof(Test.finish), Test.DefaultTestSet})
-    @assert precompile(Tuple{typeof(Test.eval_test), Expr, Expr, LineNumberNode, Bool})
+    @assert precompile(Tuple{typeof(_Test.do_test), _Test.ExecutionResult, Any})
+    @assert precompile(Tuple{typeof(_Test.testset_beginend), Tuple{String, Expr}, Expr, LineNumberNode})
+    @assert precompile(Tuple{typeof(_Test.finish), _Test.DefaultTestSet})
+    @assert precompile(Tuple{typeof(_Test.eval_test), Expr, Expr, LineNumberNode, Bool})
     """
 end