Another try

Author: Heliozoa

.github/workflows/test.yml

@@ -10,7 +10,7 @@ env:
   RUST_LOG: debug,j4rs=warn
   CARGO_INCREMENTAL: 0
   RUSTFLAGS: "-C debuginfo=0"
-  JAVA_HOME: $JAVA_HOME_11_X64  # seems to default to 8 on Windows and Mac
+  JAVA_HOME: ${{ env.JAVA_HOME_11_X64 }}  # seems to default to 8 on Windows and Mac
 
 jobs:
   test: