Rename these two test files to make their names a bit less cumbersome.

git-svn-id: svn://svn.valgrind.org/valgrind/trunk@13935

diff --git a/none/tests/arm64/test_arm64_fp_and_simd.c b/none/tests/arm64/fp_and_simd.c
similarity index 100%
rename from none/tests/arm64/test_arm64_fp_and_simd.c
rename to none/tests/arm64/fp_and_simd.c

diff --git a/none/tests/arm64/test_arm64_int.c b/none/tests/arm64/integer.c
similarity index 100%
rename from none/tests/arm64/test_arm64_int.c
rename to none/tests/arm64/integer.c