Enable an accelerator for the CI tests

Author: chillenzer

.github/workflows/install.yml

@@ -38,7 +38,7 @@ jobs:
           rm -rf build
 
       - name: configure
-        run: cmake -Stest -Bbuild -DTEST_INSTALLED_VERSION=1
+        run: cmake -Stest -Bbuild -DTEST_INSTALLED_VERSION=1 -Dalpaka_ACC_CPU_B_SEQ_T_SEQ_ENABLE:BOOL=ON
 
       - name: build
         run: cmake --build build --config Debug -j4

.github/workflows/ubuntu.yml

@@ -33,7 +33,7 @@ jobs:
           sudo apt-get install libboost-all-dev
 
       - name: configure
-        run: cmake -Stest -Bbuild -DENABLE_TEST_COVERAGE=1 -DCMAKE_BUILD_TYPE=Debug
+        run: cmake -Stest -Bbuild -DENABLE_TEST_COVERAGE=1 -DCMAKE_BUILD_TYPE=Debug -Dalpaka_ACC_CPU_B_SEQ_T_SEQ_ENABLE:BOOL=ON
 
       - name: build
         run: cmake --build build -j4