Fix typecheck issues in test files

Co-authored-by: mrlubos <[email protected]>

Author: Copilot

packages/openapi-ts/src/__tests__/error.test.ts

@@ -26,7 +26,7 @@ describe('shouldReportCrash', () => {
       .mockImplementation(() => true);
     const setEncodingSpy = vi
       .spyOn(process.stdin, 'setEncoding')
-      .mockImplementation(() => {});
+      .mockImplementation(() => process.stdin as any);
     const onceSpy = vi
       .spyOn(process.stdin, 'once')
       .mockImplementation(() => process.stdin);
@@ -53,10 +53,10 @@ describe('shouldReportCrash', () => {
       .mockImplementation(() => true);
     const setEncodingSpy = vi
       .spyOn(process.stdin, 'setEncoding')
-      .mockImplementation(() => {});
+      .mockImplementation(() => process.stdin as any);
     const onceSpy = vi
       .spyOn(process.stdin, 'once')
-      .mockImplementation((event, callback) => {
+      .mockImplementation((_event, callback) => {
         // Simulate user typing 'n'
         setTimeout(() => {
           (callback as any)('n');
@@ -86,10 +86,10 @@ describe('shouldReportCrash', () => {
       .mockImplementation(() => true);
     const setEncodingSpy = vi
       .spyOn(process.stdin, 'setEncoding')
-      .mockImplementation(() => {});
+      .mockImplementation(() => process.stdin as any);
     const onceSpy = vi
       .spyOn(process.stdin, 'once')
-      .mockImplementation((event, callback) => {
+      .mockImplementation((_event, callback) => {
         // Simulate user typing 'y'
         setTimeout(() => {
           (callback as any)('y');

packages/openapi-ts/src/__tests__/interactive.test.ts

@@ -11,7 +11,7 @@ describe('interactive config', () => {
     });
 
     // In test environment, TTY is typically not available, so it should be false
-    expect(result.results[0].config.interactive).toBe(false);
+    expect(result.results[0]?.config.interactive).toBe(false);
   });
 
   it('should respect user config when set to true', async () => {
@@ -21,7 +21,7 @@ describe('interactive config', () => {
       output: './test',
     });
 
-    expect(result.results[0].config.interactive).toBe(true);
+    expect(result.results[0]?.config.interactive).toBe(true);
   });
 
   it('should respect user config when set to false', async () => {
@@ -31,7 +31,7 @@ describe('interactive config', () => {
       output: './test',
     });
 
-    expect(result.results[0].config.interactive).toBe(false);
+    expect(result.results[0]?.config.interactive).toBe(false);
   });
 
   it('should allow file config to set interactive when CLI does not provide it', () => {