diff --git a/collects/tests/typed-scheme/succeed/het-vec.ss b/collects/tests/typed-scheme/succeed/het-vec.rkt similarity index 100% rename from collects/tests/typed-scheme/succeed/het-vec.ss rename to collects/tests/typed-scheme/succeed/het-vec.rkt diff --git a/collects/tests/typed-scheme/succeed/het-vec2.ss b/collects/tests/typed-scheme/succeed/het-vec2.rkt similarity index 100% rename from collects/tests/typed-scheme/succeed/het-vec2.ss rename to collects/tests/typed-scheme/succeed/het-vec2.rkt diff --git a/collects/tests/typed-scheme/succeed/icfp-examples.ss b/collects/tests/typed-scheme/succeed/icfp-examples.rkt similarity index 100% rename from collects/tests/typed-scheme/succeed/icfp-examples.ss rename to collects/tests/typed-scheme/succeed/icfp-examples.rkt diff --git a/collects/tests/typed-scheme/succeed/rackunit.ss b/collects/tests/typed-scheme/succeed/rackunit.rkt similarity index 100% rename from collects/tests/typed-scheme/succeed/rackunit.ss rename to collects/tests/typed-scheme/succeed/rackunit.rkt diff --git a/collects/tests/typed-scheme/succeed/simple-fake-or.ss b/collects/tests/typed-scheme/succeed/simple-fake-or.rkt similarity index 100% rename from collects/tests/typed-scheme/succeed/simple-fake-or.ss rename to collects/tests/typed-scheme/succeed/simple-fake-or.rkt diff --git a/collects/tests/typed-scheme/succeed/simple-implies.ss b/collects/tests/typed-scheme/succeed/simple-implies.rkt similarity index 100% rename from collects/tests/typed-scheme/succeed/simple-implies.ss rename to collects/tests/typed-scheme/succeed/simple-implies.rkt diff --git a/collects/tests/typed-scheme/succeed/simple-or.ss b/collects/tests/typed-scheme/succeed/simple-or.rkt similarity index 100% rename from collects/tests/typed-scheme/succeed/simple-or.ss rename to collects/tests/typed-scheme/succeed/simple-or.rkt