diff --git a/libcxxabi/test/configs/cmake-bridge.cfg.in b/libcxxabi/test/configs/cmake-bridge.cfg.in
--- a/libcxxabi/test/configs/cmake-bridge.cfg.in
+++ b/libcxxabi/test/configs/cmake-bridge.cfg.in
@@ -21,7 +21,7 @@
 config.test_source_root = os.path.join('@LIBCXXABI_SOURCE_DIR@', 'test')
 config.test_format = libcxx.test.format.CxxStandardLibraryTest()
 config.recursiveExpansionLimit = 10
-config.test_exec_root = '@CMAKE_BINARY_DIR@'
+config.test_exec_root = os.path.join('@CMAKE_BINARY_DIR@', 'test')
 
 # TODO: This is a non-standard Lit attribute and we should have another way of accessing this.
 config.host_triple = '@LLVM_HOST_TRIPLE@'
diff --git a/libunwind/test/configs/cmake-bridge.cfg.in b/libunwind/test/configs/cmake-bridge.cfg.in
--- a/libunwind/test/configs/cmake-bridge.cfg.in
+++ b/libunwind/test/configs/cmake-bridge.cfg.in
@@ -20,7 +20,7 @@
 config.test_source_root = os.path.join('@LIBUNWIND_SOURCE_DIR@', 'test')
 config.test_format = libcxx.test.format.CxxStandardLibraryTest()
 config.recursiveExpansionLimit = 10
-config.test_exec_root = '@CMAKE_BINARY_DIR@'
+config.test_exec_root = os.path.join('@CMAKE_BINARY_DIR@', 'test')
 
 # Add a few features that are common to all the configurations
 if @LIBUNWIND_USES_ARM_EHABI@: