Filter Sorbet in backtrace

test/test_helper.rb

@@ -13,8 +13,8 @@
 require "debug"
 require "mocha/minitest"
 
-sorbet_paths = Gem.loaded_specs["sorbet-runtime"].full_require_paths.freeze
-DEBUGGER__::CONFIG[:skip_path] = Array(DEBUGGER__::CONFIG[:skip_path]) + sorbet_paths
+SORBET_PATHS = T.let(Gem.loaded_specs["sorbet-runtime"].full_require_paths.freeze, T::Array[String])
+DEBUGGER__::CONFIG[:skip_path] = Array(DEBUGGER__::CONFIG[:skip_path]) + SORBET_PATHS
 
 minitest_reporter = if ENV["SPEC_REPORTER"]
   Minitest::Reporters::SpecReporter.new(color: true)
@@ -28,3 +28,24 @@ class Test
     Minitest::Test.make_my_diffs_pretty!
   end
 end
+
+# based on https://github.com/minitest/minitest/blob/master/lib/minitest.rb
+module BacktraceWithoutSorbetFilter
+  MT_RE = %r%lib/minitest%
+
+  class << self
+    extend T::Sig
+    sig { params(bt: T.nilable(T::Array[String])).returns(T::Array[String]) }
+    def filter(bt)
+      return ["No backtrace"] unless bt
+
+      return bt.dup if $DEBUG
+
+      bt.find_all do |line|
+        line !~ MT_RE && SORBET_PATHS.none? { |path| line.include?(path) }
+      end
+    end
+  end
+end
+
+Minitest.backtrace_filter = BacktraceWithoutSorbetFilter