[libFuzzer] fix a test (and hopefully, the bot)
@@ -41,7 +41,7 @@ MAX_LEN: MERGE-OUTER: 3 new files
# Check that we respect -merge_control_file=FILE
RUN: rm %tmp/T1/*
RUN: cp %tmp/T0/* %tmp/T1/
-RUN: rm %tmp/MCF
+RUN: rm -f %tmp/MCF
RUN: %t-FullCoverageSetTest -merge=1 -merge_control_file=%tmp/MCF %tmp/T1 %tmp/T2 2>&1 | FileCheck %s --check-prefix=MCF
RUN: grep STARTED %tmp/MCF
RUN: grep DONE %tmp/MCF
