Move panic test to top of script

The test that checks for a panic uses `cargo test --exact`, it makes
sense to put it at the top of the script right after we run `cargo test`
so we can run the test without triggering a re-build.

Author: tcharding

contrib/test.sh

@@ -15,6 +15,9 @@ fi
 cargo --version
 rustc --version
 
+# Test if panic in C code aborts the process (either with a real panic or with SIGILL)
+cargo test -- --ignored --exact 'tests::test_panic_raw_ctx_should_terminate_abnormally' 2>&1 | tee /dev/stderr | grep "SIGILL\\|panicked at '\[libsecp256k1\]"
+
 # Make all cargo invocations verbose
 export CARGO_TERM_VERBOSE=true
 
@@ -86,9 +89,6 @@ if [ "$DO_ASAN" = true ]; then
     cargo run --release --features=alloc --manifest-path=./no_std_test/Cargo.toml | grep -q "Verified alloc Successfully"
 fi
 
-# Test if panic in C code aborts the process (either with a real panic or with SIGILL)
-cargo test -- --ignored --exact 'tests::test_panic_raw_ctx_should_terminate_abnormally' 2>&1 | tee /dev/stderr | grep "SIGILL\\|panicked at '\[libsecp256k1\]"
-
 # Bench
 if [ "$DO_BENCH" = true ]; then
     cargo bench --all --features="unstable"