build: Add gtest dependency in Dockerfile.*

Signed-off-by: Jaehyun Kim <jhkim@precisioninno.com>

Dockerfile.centos7

@@ -53,6 +53,17 @@ RUN source /opt/rh/devtoolset-11/enable && \
     make -j`nproc` && \
     make install
 
+# Download and build GTest
+RUN wget https://github.com/google/googletest/archive/refs/tags/v1.14.0.tar.gz && \
+    tar -xvf v1.14.0.tar.gz && \
+    rm v1.14.0.tar.gz
+RUN source /opt/rh/devtoolset-11/enable && \
+    cd googletest-1.14.0 && \
+    mkdir build && cd build && \
+    cmake .. && \
+    make -j`nproc` && \
+    make install
+
 FROM base-dependencies AS builder
 
 COPY . /OpenSTA

Dockerfile.ubuntu22.04

@@ -16,7 +16,8 @@ RUN apt-get update && \
     bison \
     flex \
     automake \
-    autotools-dev
+    autotools-dev \
+    libgtest-dev
 
 # Download CUDD
 RUN wget https://raw.githubusercontent.com/davidkebo/cudd/main/cudd_versions/cudd-3.0.0.tar.gz && \