Added separate gh actions

.github/workflows/cpp_tests.yml

@@ -0,0 +1,34 @@
+name: C++ Tests
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build-ubuntu:
+
+    runs-on: ubuntu-18.04
+    container: axsauze/kompute-builder:0.2
+
+    steps:
+    - uses: actions/checkout@v2
+      with:
+        submodules: recursive
+    - name: configure-cpp
+      run: |
+        cmake -Bbuild/ \
+                  -DKOMPUTE_OPT_INSTALL=0                    \
+                  -DKOMPUTE_OPT_REPO_SUBMODULE_BUILD=1       \
+                  -DKOMPUTE_OPT_BUILD_TESTS=1                \
+                  -DKOMPUTE_OPT_ENABLE_SPDLOG=1              \
+                  -DSPDLOG_INSTALL=1
+    - name: build-cpp
+      run: |
+        make mk_build_tests
+    - name: test-cpp
+      run: |
+        export VK_ICD_FILENAMES=/swiftshader/vk_swiftshader_icd.json
+        make mk_run_tests_cpu_only
+