Update errors.jl

Author: odow

test/General/errors.jl

@@ -241,7 +241,7 @@ function test_errors_ModifyNotAllowed_constraint()
     err = MOI.ModifyConstraintNotAllowed(ci, change)
     @test_throws err MOI.modify(model, ci, change)
     contents = sprint(showerror, err)
-    @test occursin("$(typeof(err)):" contents)
+    @test occursin("$(typeof(err)):", contents)
     @test occursin("Modifying the constraints $ci", contents)
     @test occursin("## Fixing this error", contents)
     return
@@ -254,7 +254,7 @@ function test_errors_ModifyNotAllowed_objective()
     err = MOI.ModifyObjectiveNotAllowed(change)
     @test_throws err MOI.modify(model, attr, change)
     contents = sprint(showerror, err)
-    @test occursin("$(typeof(err)):" contents)
+    @test occursin("$(typeof(err)):", contents)
     @test occursin("Modifying the objective function with $change", contents)
     @test occursin("## Fixing this error", contents)
     return