Move getBanditsConfiguration tests inside main describe block

Fixes test isolation issue where tests ran after API server was closed.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: aarsilv

src/index.spec.ts

@@ -776,35 +776,35 @@ describe('EppoClient E2E test', () => {
       }
     });
   });
-});
 
-describe('getBanditsConfiguration', () => {
-  it('returns null when no bandits are configured', async () => {
-    await init({
-      apiKey: 'dummy',
-      baseUrl: `http://127.0.0.1:${TEST_SERVER_PORT}`,
-      assignmentLogger: { logAssignment: jest.fn() },
+  describe('getBanditsConfiguration', () => {
+    it('returns null when no bandits are configured', async () => {
+      await init({
+        apiKey: 'dummy',
+        baseUrl: `http://127.0.0.1:${TEST_SERVER_PORT}`,
+        assignmentLogger: { logAssignment: jest.fn() },
+      });
+
+      // The default mock doesn't include bandits, so this should return null
+      const banditsConfig = getBanditsConfiguration();
+      expect(banditsConfig).toBeNull();
     });
 
-    // The default mock doesn't include bandits, so this should return null
-    const banditsConfig = getBanditsConfiguration();
-    expect(banditsConfig).toBeNull();
-  });
+    it('returns bandits configuration JSON when bandits are present', async () => {
+      await init({
+        apiKey: TEST_BANDIT_API_KEY,
+        baseUrl: `http://127.0.0.1:${TEST_SERVER_PORT}`,
+        assignmentLogger: { logAssignment: jest.fn() },
+        banditLogger: { logBanditAction: jest.fn() },
+      });
 
-  it('returns bandits configuration JSON when bandits are present', async () => {
-    await init({
-      apiKey: TEST_BANDIT_API_KEY,
-      baseUrl: `http://127.0.0.1:${TEST_SERVER_PORT}`,
-      assignmentLogger: { logAssignment: jest.fn() },
-      banditLogger: { logBanditAction: jest.fn() },
+      const banditsConfig = getBanditsConfiguration();
+      // With the bandit API key, we should have bandits
+      if (banditsConfig) {
+        const parsed = JSON.parse(banditsConfig);
+        expect(parsed.bandits).toBeDefined();
+        expect(Object.keys(parsed.bandits).length).toBeGreaterThan(0);
+      }
     });
-
-    const banditsConfig = getBanditsConfiguration();
-    // With the bandit API key, we should have bandits
-    if (banditsConfig) {
-      const parsed = JSON.parse(banditsConfig);
-      expect(parsed.bandits).toBeDefined();
-      expect(Object.keys(parsed.bandits).length).toBeGreaterThan(0);
-    }
   });
 });