diff --git a/test/suites/dev-tanssi-relay/collator-assignment/test-configurable-priority.ts b/test/suites/dev-tanssi-relay/collator-assignment/test-configurable-priority.ts
new file mode 100644
index 000000000..2452079ba
--- /dev/null
+++ b/test/suites/dev-tanssi-relay/collator-assignment/test-configurable-priority.ts
@@ -0,0 +1,113 @@
+import "@tanssi/api-augment";
+import { describeSuite, expect, beforeAll } from "@moonwall/cli";
+import { ApiPromise, Keyring } from "@polkadot/api";
+import { jumpBlocks, jumpSessions, jumpToSession, signAndSendAndInclude, waitSessions } from "util/block";
+import { filterAndApply } from "@moonwall/util";
+import { EventRecord } from "@polkadot/types/interfaces";
+import { bool, u32, u8, Vec } from "@polkadot/types-codec";
+import fs from "fs/promises";
+import { chainSpecToContainerChainGenesisData } from "../../../util/genesis_data.ts";
+import jsonBg from "json-bigint";
+const JSONbig = jsonBg({ useNativeBigInt: true });
+
+describeSuite({
+    id: "DTR0401",
+    title: "Collator assignment tests",
+    foundationMethods: "dev",
+
+    testCases: ({ it, context }) => {
+        let polkadotJs: ApiPromise;
+
+        beforeAll(async () => {
+            polkadotJs = context.polkadotJs();
+        });
+
+        it({
+            id: "E01",
+            title: "Set of Parachains should be sort by tip and truncated according to max cores allocated if we have less cores",
+            test: async function () {
+
+            },
+        });
+
+        it({
+            id: "E02",
+            title: "Set of Parathreads would not be truncated",
+            test: async function () {
+                const keyring = new Keyring({ type: "sr25519" });
+                const alice = keyring.addFromUri("//Alice", { name: "Alice default" });
+                const nextProfileId = await polkadotJs.query.dataPreservers.nextProfileId();
+                const slotFrequency2000 = polkadotJs.createType("TpTraitsSlotFrequency", {
+                    min: 6,
+                    max: 6,
+                });
+
+                const responseFor2002 = await createTxBatchForCreatingParathread(
+                    polkadotJs,
+                    alice.address,
+                    2002,
+                    slotFrequency2000,
+                    nextProfileId
+                );
+
+                const txs = [];
+                await signAndSendAndInclude(polkadotJs.tx.sudo.sudo(polkadotJs.tx.utility.batch(txs)), alice);
+
+                // Checking that in session 2 paras are registered
+                await waitSessions(context, polkadotJs, 2);
+
+                const pendingParas = await polkadotJs.query.registrar.pendingParaIds();
+                expect(pendingParas.length).to.be.eq(1);
+                const parasScheduled = pendingParas[0][1];
+                expect(parasScheduled.toJSON()).to.deep.equal([2002]);
+            },
+        });
+    },
+});
+
+
+async function createTxBatchForCreatingParathread(api, manager, paraId, slotFreq, nextProfileId, headData?: null) {
+    const specPaths = {
+        2002: "specs/parathreads-template-container-2002.json",
+        2003: "specs/parathreads-template-container-2003.json",
+    };
+    if (!specPaths[paraId]) {
+        throw new Error(`Unknown chain spec path for paraId ${paraId}`);
+    }
+    const chain = specPaths[paraId];
+    const rawSpec = JSONbig.parse(await fs.readFile(chain, "utf8"));
+
+    const containerChainGenesisData = chainSpecToContainerChainGenesisData(api, rawSpec);
+    const txs = [];
+    const tx1 = api.tx.containerRegistrar.registerParathread(rawSpec.para_id, slotFreq, containerChainGenesisData, headData);
+    txs.push(
+        api.tx.utility.dispatchAs(
+            {
+                system: { Signed: manager },
+            } as any,
+            tx1
+        )
+    );
+    if (rawSpec.bootNodes?.length) {
+        for (const bootnode of rawSpec.bootNodes) {
+            const profileTx = api.tx.dataPreservers.forceCreateProfile(
+                {
+                    url: bootnode,
+                    paraIds: "AnyParaId",
+                    mode: "Bootnode",
+                    assignmentRequest: "Free",
+                },
+                manager
+            );
+            txs.push(profileTx);
+
+            const tx2 = api.tx.dataPreservers.forceStartAssignment(nextProfileId++, rawSpec.para_id, "Free");
+            const tx2s = api.tx.sudo.sudo(tx2);
+            txs.push(tx2s);
+        }
+    }
+    const tx3 = api.tx.containerRegistrar.markValidForCollating(rawSpec.para_id);
+    txs.push(tx3);
+
+    return { txs: txs, nextProfileId: nextProfileId };
+}