ci: run r2r tests only on linux

Author: evgeniy-scherbina

.github/workflows/ci.yml

@@ -76,8 +76,12 @@ jobs:
 #    - name: Setup tmate session
 #      uses: mxschmitt/action-tmate@v3
 
-    - name: Run tests
-      run: make test
+    - name: Run unit tests
+      run: make unit-test
+
+    - name: Run e2e tests
+      run: make e2e-tests
+      if: matrix.os == 'ubuntu-latest'
 
     - name: Check build
       run: make build