Fix cargo test in check.sh (#5299)

The check.sh script was broken in #5166, this fixes it
* Related to #5297 
* [x] I have followed the instructions in the PR template

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Co-authored-by: Emil Ernerfeldt <[email protected]>

Author: lucasmerlin

scripts/check.sh

@@ -29,7 +29,8 @@ cargo check --quiet  --all-targets
 cargo check --quiet  --all-targets --all-features
 cargo check --quiet  -p egui_demo_app --lib --target wasm32-unknown-unknown
 cargo check --quiet  -p egui_demo_app --lib --target wasm32-unknown-unknown --all-features
-cargo test  --quiet --all-targets --all-features
+# TODO(#5297) re-enable --all-features once the tests work with the unity feature
+cargo test  --quiet --all-targets
 cargo test  --quiet --doc # slow - checks all doc-tests
 
 cargo check --quiet -p eframe --no-default-features --features "glow"