Check ignored tests in CI

This does not run in nightly mode becuase curretly it is
the bottleneck in the CI run. As such, there is nothing in the
test that should break in nightly.

Author: sanket1729

.github/workflows/rust.yml

@@ -74,4 +74,6 @@ jobs:
             cargo update --verbose --package "serde" --precise "1.0.98" && \
             cargo update --verbose --package "serde_derive" --precise "1.0.98"
       - name: Running cargo
+        env:
+          RUN_IGNORE: true
         run: ./contrib/test.sh

contrib/test.sh

@@ -30,6 +30,14 @@ then
     )
 fi
 
+# Fuzz if told to
+if [ "$RUN_IGNORE" = true ]
+then
+    (
+        cargo test -- --ignored
+    )
+fi
+
 # Test without any features first
 cargo test --verbose