chore(CI): add debug test to CI

.github/workflows/rust.yml

@@ -36,6 +36,25 @@ jobs:
         command: test
         args: --locked --release
 
+  # We run tests in debug also, to make sure that the debug_assertions are hit
+  test-debug:
+    name: Run tests in debug
+    runs-on: ubuntu-18.04
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: stable
+          override: true
+      - name: Cache dependencies
+        uses: Swatinem/rust-cache@v1.3.0
+      - name: Run tests in debug
+        uses: actions-rs/cargo@v1
+        with:
+          command: test
+          args: --locked
+
   clippy:
     name: Run Clippy
     runs-on: ubuntu-18.04

bors.toml

@@ -3,7 +3,8 @@ status = [
     'Tests on macos-latest',
     'Tests on windows-latest',
     'Run Clippy',
-    'Run Rustfmt'
+    'Run Rustfmt',
+    'Run tests in debug',
 ]
 pr_status = ['Milestone Check']
 # 3 hours timeout