[llvm][unittests] Don't call raw_string_ostream::flush() (NFC)

raw_string_ostream::flush() is essentially a no-op (also specified in docs).
Don't call it in tests that aren't meant to test 'raw_string_ostream' itself.

p.s. remove a few redundant calls to raw_string_ostream::str()

1 files changed, 0 insertions, 1 deletions

diff --git a/llvm/unittests/Object/SymbolicFileTest.cpp b/llvm/unittests/Object/SymbolicFileTest.cpp
index 8308a00..38875ce 100644
--- a/llvm/unittests/Object/SymbolicFileTest.cpp
+++ b/llvm/unittests/Object/SymbolicFileTest.cpp
@@ -35,7 +35,6 @@ TEST(Object, DataRefImplOstream) {
   }
 
   OS << Data;
-  OS.flush();
 
   EXPECT_EQ(Expected, s);
 }