test: add unit testing for point.h to CI workflow

ci/occt.Dockerfile

@@ -1,4 +1,5 @@
-FROM ubuntu:24.04
+# Base builder
+FROM ubuntu:24.04 AS base
 
 ENV DEBIAN_FRONTEND=noninteractive
 
@@ -32,6 +33,33 @@ RUN make install
 
 WORKDIR /app
 COPY src/occt/ ./src
-COPY unit-test/occt/ ./unit-test
+COPY test/occt/ ./test
 
 RUN cmake -S src -B build -DCMAKE_PREFIX_PATH=/usr/local && cmake --build build
+
+COPY test/occt/ ./test
+
+# Unit test runner
+FROM ubuntu:24.04 AS unit-testing
+
+ENV DEBIAN_FRONTEND=noninteractive
+
+RUN apt-get update && apt-get install -y \
+    build-essential \
+    cmake \
+    git \
+    catch2 \
+    xvfb \
+    && rm -rf /var/lib/apt/lists/*
+
+COPY --from=base /usr/local /usr/local
+COPY --from=base /app/build /app/build
+COPY --from=base /app/src /app/src
+COPY --from=base /app/test /app/test
+
+WORKDIR /app
+
+RUN cmake -S test -B build/tests -DCMAKE_PREFIX_PATH=/usr/local
+RUN cmake --build build/tests
+
+CMD ["ctest", "--test-dir", "build/tests", "-V"]