Fix Sophus build to ignore tests

Author: fcladera

.github/workflows/build.yaml

@@ -65,7 +65,7 @@ jobs:
           cd Sophus
           mkdir build && cd build
           git checkout 785fef3
-          cmake -DBUILD_SOPHUS_TEST=Off -DBUILD_SOPHUS_EXAMPLES=Off -DCMAKE_CXX_STANDARD=17 ..
+          cmake -DBUILD_SOPHUS_TESTS=OFF -DBUILD_SOPHUS_EXAMPLES=OFF -DCMAKE_CXX_STANDARD=17 ..
           sudo make install
 
       - name: Install Google benchmark