diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 58b35af0..bc29d304 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -14,7 +14,6 @@ on:
       - "**.md"
 env:
   CARGO_TERM_COLOR: always
-  GCP_ZONE: europe-west3-a
 
 jobs:
   check_branch:
@@ -41,7 +40,6 @@ jobs:
           image_family: ubuntu-2004-lts
           machine_type: e2-highcpu-32
           disk_size: 100
-          machine_zone: ${{ env.GCP_ZONE }}
           ephemeral: true
 
   test-features:
diff --git a/libs/common-types/src/tokens.rs b/libs/common-types/src/tokens.rs
index 060318b8..179387ac 100644
--- a/libs/common-types/src/tokens.rs
+++ b/libs/common-types/src/tokens.rs
@@ -41,8 +41,8 @@ pub mod currency_decimals {
 
 // A way to generate different currencies from a number.
 // Can be used in tests/benchmarks to generate different currencies.
-impl From<u32> for CurrencyId {
-    fn from(value: u32) -> Self {
+impl From<ForeignAssetId> for CurrencyId {
+    fn from(value: ForeignAssetId) -> Self {
         CurrencyId::ForeignAsset(value)
     }
 }
diff --git a/pallets/proposals/src/tests/foreign_asset.rs b/pallets/proposals/src/tests/foreign_asset.rs
new file mode 100644
index 00000000..172ab741
--- /dev/null
+++ b/pallets/proposals/src/tests/foreign_asset.rs
@@ -0,0 +1,48 @@
+use crate::{mock::*, *};
+use frame_support::{assert_noop, assert_ok, error::BadOrigin};
+use test_utils::*;
+
+#[test]
+fn set_foreign_asset_signer_check_permission_for_edit() {
+    build_test_externality().execute_with(|| {
+        assert_ok!(Proposals::set_foreign_asset_signer(RuntimeOrigin::root(), ALICE));
+        assert_eq!(ForeignCurrencySigner::<Test>::get().unwrap(), ALICE, "Alice should have been set as signer.");
+        assert_ok!(Proposals::set_foreign_asset_signer(RuntimeOrigin::root(), BOB));
+        assert_eq!(ForeignCurrencySigner::<Test>::get().unwrap(), BOB, "Bob should be set as signer.");
+        assert_noop!(Proposals::set_foreign_asset_signer(RuntimeOrigin::signed(BOB), ALICE), BadOrigin);
+    })
+}
+
+#[test]
+fn foreign_asset_signer_can_mint() {
+    build_test_externality().execute_with(|| {
+        let currency_id = CurrencyId::ForeignAsset(10);
+        let beneficiary = BOB;
+        let amount = 92839572;
+        let _ = Proposals::set_foreign_asset_signer(RuntimeOrigin::root(), ALICE);
+        let asset_signer = ForeignCurrencySigner::<Test>::get().unwrap();
+        assert_eq!(
+            Tokens::free_balance(currency_id, &BOB),
+            0
+        );
+        assert_ok!(Proposals::mint_offchain_assets(RuntimeOrigin::signed(asset_signer), beneficiary, currency_id, amount));
+        assert_eq!(
+            Tokens::free_balance(currency_id, &BOB),
+            amount
+        );
+    })
+}
+
+#[test]
+fn non_foreign_asset_signer_cannot_mint() {
+    build_test_externality().execute_with(|| {
+        let currency_id = CurrencyId::ForeignAsset(10);
+        let beneficiary = BOB;
+        let amount = 92839572;
+        let _ = Proposals::set_foreign_asset_signer(RuntimeOrigin::root(), ALICE);
+        let asset_signer = ForeignCurrencySigner::<Test>::get().unwrap();
+
+        assert_noop!(Proposals::mint_offchain_assets(RuntimeOrigin::signed(BOB), beneficiary, currency_id, amount), Error::<Test>::RequireForeignAssetSigner);
+        assert_noop!(Proposals::mint_offchain_assets(RuntimeOrigin::signed(CHARLIE), beneficiary, currency_id, amount), Error::<Test>::RequireForeignAssetSigner);
+    })
+}
\ No newline at end of file
diff --git a/pallets/proposals/src/tests/mod.rs b/pallets/proposals/src/tests/mod.rs
index 0eeec162..7af5ca3a 100644
--- a/pallets/proposals/src/tests/mod.rs
+++ b/pallets/proposals/src/tests/mod.rs
@@ -2,3 +2,4 @@ pub mod disputes;
 pub mod immutable_votes;
 pub mod pallet;
 pub mod refunds;
+pub mod foreign_asset;