Need install Valgrind.

.github/workflows/bazel_tests.yml

@@ -22,12 +22,15 @@ jobs:
           - { CC: gcc, os: ubuntu-20.04, flags: "-c opt" }
           - { CC: clang, os: ubuntu-20.04, flags: "--//:fasttable_enabled=true -- -cmake:test_generated_files" }
           - { CC: clang, os: ubuntu-20.04, flags: "--config=asan -- -benchmarks:benchmark -python:all" }
-          - { CC: clang, os: ubuntu-20.04, flags: "--config=valgrind ... -- -cmake:cmake_build" }
+          - { CC: clang, os: ubuntu-20.04, flags: "--config=valgrind ... -- -cmake:cmake_build", install: "valgrind" }
           - { CC: clang, os: macos-11, flags: "" }
 
     steps:
       - uses: actions/checkout@v2
       - name: Setup Python venv
         run: rm -rf /tmp/venv && python3 -m venv /tmp/venv
+      - name: Install dependencies
+        run: sudo apt install -y ${{ matrix.install }}
+        if: matrix.install != ''
       - name: Run tests
         run: cd ${{ github.workspace }} && PATH=/tmp/venv/bin:$PATH CC=${{ matrix.CC }} bazel test --test_output=errors ... ${{ matrix.flags }}