Fix Driver/working-directory.c test

Accidentally committed debug print.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@374929 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Driver/working-directory.c b/test/Driver/working-directory.c
index 7cfe22d..bba9574 100644
--- a/test/Driver/working-directory.c
+++ b/test/Driver/working-directory.c
@@ -1,7 +1,6 @@
 // RUN: %clang -### -coverage -working-directory /no/such/dir/ input 2>&1 | FileCheck %s
 // RUN: %clang -### -coverage -working-directory %p/Inputs no_such_file.cpp -c 2>&1 | FileCheck %s --check-prefix=CHECK_NO_FILE
 // RUN: %clang -### -coverage -working-directory %p/Inputs pchfile.cpp -c 2>&1 | FileCheck %s --check-prefix=CHECK_WORKS
-// RUN: fail please
 
 // CHECK: unable to set working directory: /no/such/dir/