diff --git a/tests/cases/fourslash_old/eval.ts b/tests/cases/fourslash/eval.ts
similarity index 100%
rename from tests/cases/fourslash_old/eval.ts
rename to tests/cases/fourslash/eval.ts
diff --git a/tests/cases/fourslash_old/moduleReferenceValue.ts b/tests/cases/fourslash/moduleReferenceValue.ts
similarity index 100%
rename from tests/cases/fourslash_old/moduleReferenceValue.ts
rename to tests/cases/fourslash/moduleReferenceValue.ts
diff --git a/tests/cases/fourslash_old/runtimeBehaviorTests.ts b/tests/cases/fourslash/runtimeBehaviorTests.ts
similarity index 100%
rename from tests/cases/fourslash_old/runtimeBehaviorTests.ts
rename to tests/cases/fourslash/runtimeBehaviorTests.ts