FIX: github action for unit test with gtest

Author: Moaad

.github/workflows/unit_test.yml

@@ -13,4 +13,4 @@ jobs:
         uses: actions/checkout@v2
 
       - name: Running docker container with openfoam
-        run : docker run -v "$PWD/:/root" opencfd/openfoam2106-dev /root/unitTests/gtest/script.sh
+        run : docker run -v "$PWD/:/root" opencfd/openfoam2106-dev /root/gtest/script.sh

gtest/script.sh

@@ -13,7 +13,7 @@ cmake ..              && \
 make && \
 sudo make install &&
 export GTEST_DIR='/usr/local/lib' &&  \
-cd ../../unitTests/gtest && \
+cd ../../gtest && \
 python3 writeSparseMatrix.py  && \
 wmake  && \
 ./test_all.exe ;