test: Update 2 files

dehydrate/test/build_dehydrate_test.sh

@@ -11,7 +11,20 @@ rm -rf dehydrate_test_data
 
 # Build the test program - mount the entire project directory to access ../output/dehydrate
 docker run --rm -v "$PROJECT_DIR":/workdir -w /workdir/test gitea.jde.nz/public/dropshell-build-base:latest \
-    g++ -std=c++23 -static dehydrate_test.cpp -o dehydrate_test
+    bash -c "
+        if [ -f dehydrate_test.cpp ]; then
+            g++ -std=c++23 -static dehydrate_test.cpp -o dehydrate_test
+        else
+            echo 'ERROR: dehydrate_test.cpp not found in current directory'
+            exit 1
+        fi
+    "
+
+# Check if compilation succeeded
+if [ ! -f "./dehydrate_test" ]; then
+    echo "Error: Failed to compile dehydrate_test"
+    exit 1
+fi
 
 # Run the test
 ./dehydrate_test