Enable unit test

Author: solidpixel

.github/workflows/build_test.yaml

@@ -25,7 +25,7 @@ jobs:
           export CXX=clang++
           mkdir build_rel
           cd build_rel
-          cmake -G "Unix Makefiles" -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=../ -DASTCENC_ISA_NEON=ON -DASTCENC_ISA_SVE_128=ON -DASTCENC_ISA_SVE_256=ON -DASTCENC_ISA_NONE=ON -DASTCENC_PACKAGE=arm64 ..
+          cmake -G "Unix Makefiles" -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=../ -DASTCENC_UNITTEST=ON -DASTCENC_ISA_NEON=ON -DASTCENC_ISA_SVE_128=ON -DASTCENC_ISA_SVE_256=ON -DASTCENC_ISA_NONE=ON -DASTCENC_PACKAGE=arm64 ..
           make install package -j4
 
       - name: Build debug
@@ -55,7 +55,7 @@ jobs:
           pip install numpy Pillow
 
       - name: Run system tests
-        # GitHub is using Cobalt-100, which has 128-bit SVE/SVE2 so we cannot test sve_256 here
+        # GitHub is using Cobalt-100, which has 128-bit SVE so we cannot test sve_256 here
         run: |
           python ./Test/astc_test_functional.py --encoder none
           python ./Test/astc_test_functional.py --encoder neon
@@ -65,7 +65,8 @@ jobs:
           python ./Test/astc_test_image.py --encoder sve_128 --test-set Small
 
       - name: Run unit tests
-        run: ctest
+        # GitHub is using Cobalt-100, which has 128-bit SVE so we cannot test sve_256 here
+        run: ctest -E test-unit-sve_256
         working-directory: build_rel
 
   build-ubuntu-arm64-gcc:

Source/UnitTest/cmake_core.cmake

@@ -170,5 +170,3 @@ target_link_libraries(${ASTCENC_TEST}
 
 add_test(NAME ${ASTCENC_TEST}
          COMMAND ${ASTCENC_TEST})
-
-install(TARGETS ${ASTCENC_TEST})