diff --git a/test/tools/llvm-cov/llvm-cov.test b/test/tools/llvm-cov/llvm-cov.test
index 0357b2146b5..62dd93d6be6 100644
--- a/test/tools/llvm-cov/llvm-cov.test
+++ b/test/tools/llvm-cov/llvm-cov.test
@@ -1,6 +1,10 @@
+# "cd" and globbing are unsupported in lit internal runner.
 REQUIRES: shell
-RUN: rm -f test.*
+RUN: rm -rf %t
+RUN: mkdir %t
+RUN: cd %t
 RUN: cp %p/Inputs/test.* .
+
 RUN: llvm-cov -gcno=test.gcno -gcda=test.gcda
 RUN: diff -aub test.cpp.gcov test.cpp.llcov
 RUN: rm test.cpp.llcov