debug(ci): cycle wash before unit tests

Signed-off-by: Victor Adossi <[email protected]>

Author: vados-cosmonic

.github/workflows/rust_ci.yml

@@ -35,6 +35,23 @@ jobs:
           shared-key: "${{ matrix.os }}-shared-cache"
       - name: Install nextest
         uses: taiki-e/install-action@nextest
+
+      # Sometimes, unit tests will get stuck executing wash during the
+      # loading CA certificates from the :otp store step. All you see is:
+      #
+      # > stderr log: 14:38:03.656 [info] Loading 467 CA(s) from :otp store
+      #
+      # when this happens, tests like can_download_and_start_wasmcloud get stuck and fail.
+      # to avoid this, we can call wash up/down and at least cause this loading as early as possible,
+      # hoping it does not happen again (or completes near instantaneously) during a test.
+      - name: Build wash
+        run: make build
+      - name: Cycle wash
+        run: |
+          cargo run -- up;
+          sleep 3;
+          cargo run -- down;
+
       - name: Run all wash & wash-lib unit tests
         run: make test-wash-ci