Revert "Use hls mp4 (recent libmagic only) for testing"

This reverts commit dc075e9.

manylinux_2_28 is not available for i686

Author: ddelange

.github/workflows/main.yml

@@ -102,7 +102,7 @@ jobs:
         CIBW_MUSLLINUX_PPC64LE_IMAGE: musllinux_1_2
         CIBW_MUSLLINUX_S390X_IMAGE: musllinux_1_2
         CIBW_BEFORE_BUILD: bash -c "make install_libmagic"
-        CIBW_TEST_COMMAND: python -c "import magic; assert magic.Magic(mime=True).from_buffer(b'\x00\x00\x00\x1cftypiso5\x00\x00\x00\x01isomiso5hlsf\x00\x00') == 'video/mp4'"
+        CIBW_TEST_COMMAND: python -c "import magic; assert magic.Magic(mime=True).from_buffer(b'\x00\x00\x00\x1cftypisom\x00\x00\x02\x00isomiso2mp41\x00') == 'video/mp4'"
 
     - uses: actions/upload-artifact@v4
       with: