fixup! Gate set_test_offer and add HRN test config

Author: chuksys

.github/workflows/rust.yml

@@ -72,15 +72,15 @@ jobs:
           echo "BITCOIND_EXE=$( pwd )/bin/bitcoind-${{ runner.os }}-${{ runner.arch }}" >> "$GITHUB_ENV"
           echo "ELECTRS_EXE=$( pwd )/bin/electrs-${{ runner.os }}-${{ runner.arch }}" >> "$GITHUB_ENV"
       - name: Build on Rust ${{ matrix.toolchain }}
-        run: cargo build --verbose --color always
+        run: RUSTFLAGS="--cfg hrn_tests" cargo build --verbose --color always
       - name: Build with UniFFI support on Rust ${{ matrix.toolchain }}
         if: matrix.build-uniffi
-        run: cargo build --features uniffi --verbose --color always
+        run: RUSTFLAGS="--cfg hrn_tests" cargo build --features uniffi --verbose --color always
       - name: Check release build on Rust ${{ matrix.toolchain }}
-        run: cargo check --release --verbose --color always
+        run: RUSTFLAGS="--cfg hrn_tests" cargo check --release --verbose --color always
       - name: Check release build with UniFFI support on Rust ${{ matrix.toolchain }}
         if: matrix.build-uniffi
-        run: cargo check --release --features uniffi --verbose --color always
+        run: RUSTFLAGS="--cfg hrn_tests" cargo check --release --features uniffi --verbose --color always
       - name: Test on Rust ${{ matrix.toolchain }}
         if: "matrix.platform != 'windows-latest'"
         run: |