chore: checkpoint before Python removal

vendor/schemars/tests/decimal.rs

@@ -0,0 +1,17 @@
+mod util;
+use util::*;
+
+#[test]
+fn rust_decimal() -> TestResult {
+    test_default_generated_schema::<rust_decimal::Decimal>("rust_decimal")
+}
+
+#[test]
+fn bigdecimal03() -> TestResult {
+    test_default_generated_schema::<bigdecimal03::BigDecimal>("bigdecimal03")
+}
+
+#[test]
+fn bigdecimal04() -> TestResult {
+    test_default_generated_schema::<bigdecimal04::BigDecimal>("bigdecimal04")
+}