Update reaper tests

Author: cristianrgreco

packages/testcontainers/src/reaper/reaper.test.ts

@@ -14,6 +14,7 @@ describe("Reaper", { timeout: 120_000 }, () => {
 
   it("should create disabled reaper when TESTCONTAINERS_RYUK_DISABLED=true", async () => {
     vi.stubEnv("TESTCONTAINERS_RYUK_DISABLED", "true");
+    vi.spyOn(client.container, "list").mockResolvedValue([]);
 
     const reaper = await getReaper();
 
@@ -22,13 +23,16 @@ describe("Reaper", { timeout: 120_000 }, () => {
   });
 
   it("should return cached reaper instance", async () => {
+    vi.spyOn(client.container, "list").mockResolvedValue([]);
+
     const reaper = await getReaper();
     const reaper2 = await getReaper();
 
     expect(reaper2.containerId).toBe(reaper.containerId);
   });
 
   it("should create new reaper container if one is not running", async () => {
+    vi.spyOn(client.container, "list").mockResolvedValue([]);
     const reaper = await getReaper();
     vi.resetModules();
 
@@ -52,6 +56,7 @@ describe("Reaper", { timeout: 120_000 }, () => {
   it("should use custom port when TESTCONTAINERS_RYUK_PORT is set", async () => {
     const customPort = (await new RandomUniquePortGenerator().generatePort()).toString();
     vi.stubEnv("TESTCONTAINERS_RYUK_PORT", customPort);
+    vi.spyOn(client.container, "list").mockResolvedValue([]);
 
     const reaper = await getReaper();
 
@@ -62,6 +67,7 @@ describe("Reaper", { timeout: 120_000 }, () => {
   });
 
   it("should create Reaper container without RYUK_VERBOSE env var by default", async () => {
+    vi.spyOn(client.container, "list").mockResolvedValue([]);
     const reaper = await getReaper();
 
     const reaperContainer = client.container.getById(reaper.containerId);
@@ -72,6 +78,8 @@ describe("Reaper", { timeout: 120_000 }, () => {
 
   it("should propagate TESTCONTAINERS_RYUK_VERBOSE into Reaper container", async () => {
     vi.stubEnv("TESTCONTAINERS_RYUK_VERBOSE", "true");
+    vi.spyOn(client.container, "list").mockResolvedValue([]);
+
     const reaper = await getReaper();
 
     const reaperContainer = client.container.getById(reaper.containerId);