[libc] [llvm] [libc] Migrate unistd tests to use ErrnoCheckingTest. (PR #132067)

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git-clang-format --diff d039af33096c0a83b03475a240d5e281e2271c44 d085cc0a375639c6b60e68398a142ac7d1b91396 --extensions cpp,h -- libc/test/UnitTest/Test.h libc/test/src/unistd/access_test.cpp libc/test/src/unistd/chdir_test.cpp libc/test/src/unistd/dup2_test.cpp libc/test/src/unistd/dup3_test.cpp libc/test/src/unistd/dup_test.cpp libc/test/src/unistd/fchdir_test.cpp libc/test/src/unistd/fpathconf_test.cpp libc/test/src/unistd/ftruncate_test.cpp libc/test/src/unistd/getentropy_test.cpp libc/test/src/unistd/getsid_test.cpp libc/test/src/unistd/isatty_test.cpp libc/test/src/unistd/link_test.cpp libc/test/src/unistd/linkat_test.cpp libc/test/src/unistd/lseek_test.cpp libc/test/src/unistd/pathconf_test.cpp libc/test/src/unistd/pipe2_test.cpp libc/test/src/unistd/pipe_test.cpp libc/test/src/unistd/pread_pwrite_test.cpp libc/test/src/unistd/read_write_test.cpp libc/test/src/unistd/readlink_test.cpp libc/test/src/unistd/readlinkat_test.cpp libc/test/src/unistd/rmdir_test.cpp libc/test/src/unistd/symlink_test.cpp libc/test/src/unistd/symlinkat_test.cpp libc/test/src/unistd/syscall_test.cpp libc/test/src/unistd/truncate_test.cpp libc/test/src/unistd/unlinkat_test.cpp
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``````````diff
diff --git a/libc/test/src/unistd/access_test.cpp b/libc/test/src/unistd/access_test.cpp
index 375227fe34..693f15c767 100644
--- a/libc/test/src/unistd/access_test.cpp
+++ b/libc/test/src/unistd/access_test.cpp
@@ -22,8 +22,8 @@ using LlvmLibcAccessTest = LIBC_NAMESPACE::testing::ErrnoCheckingTest;
 TEST_F(LlvmLibcAccessTest, CreateAndTest) {
   // The test strategy is to repeatedly create a file in different modes and
   // test that it is accessable in those modes but not in others.
-  using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Succeeds;
   using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Fails;
+  using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Succeeds;
   constexpr const char *FILENAME = "access.test";
   auto TEST_FILE = libc_make_test_file_path(FILENAME);
   int fd = LIBC_NAMESPACE::open(TEST_FILE, O_WRONLY | O_CREAT, S_IRWXU);

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https://github.com/llvm/llvm-project/pull/132067