add no_default_features test to CI (allow fail)

.gitlab-ci.yml

@@ -83,6 +83,19 @@ test:backend:
       - Cargo.lock
       - Makefile
 
+test:backend_no_default_features:
+  stage: test
+  image: $RUST_IMAGE
+  script:
+    - make backend_test_no_default
+  only:
+    changes:
+      - migrations/**/*
+      - src/**/*
+      - Cargo.lock
+      - Makefile
+  allow_failure: true # remove at v1.0
+
 package:
   stage: release
   image: $RUST_IMAGE

Makefile

@@ -33,6 +33,9 @@ frontend_lint:
 backend_test:
 	cargo test --workspace --verbose
 
+backend_test_no_default:
+	cargo test --no-default-features --workspace --verbose
+
 clean:
 	rm -vr target
 	rm -vr ui/public/build