Fix TS compile errors

test/cookies.ts

@@ -218,7 +218,7 @@ test('cookies are cleared when redirecting to a different hostname (no cookieJar
 			cookie: 'foo=bar',
 			'user-agent': 'custom',
 		},
-	}).json();
+	}).json<{headers: Record<string, string | undefined>}>();
 	t.is(headers.Cookie, undefined);
 	t.is(headers['User-Agent'], 'custom');
 });

test/create.ts

@@ -375,7 +375,7 @@ test('waits for handlers to finish', withServer, async (t, server, got) => {
 		],
 	});
 
-	const {foo} = await instance('').json();
+	const {foo} = await instance('').json<{foo: 'bar'}>();
 	t.is(foo, 'bar');
 });
 

test/headers.ts

@@ -304,15 +304,15 @@ test('strip port in host header if implicit standard port & protocol (HTTPS)', a
 test('correctly encodes authorization header', withServer, async (t, server, got) => {
 	server.get('/', echoHeaders);
 
-	const {authorization} = await got('', {username: 'test@'}).json();
+	const {authorization} = await got('', {username: 'test@'}).json<{authorization: string}>();
 
 	t.is(authorization, `Basic ${Buffer.from('test@:').toString('base64')}`);
 });
 
 test('url passes if credentials contain special characters', withServer, async (t, server, got) => {
 	server.get('/', echoHeaders);
 
-	const {authorization} = await got('', {password: 't$es%t'}).json();
+	const {authorization} = await got('', {password: 't$es%t'}).json<{authorization: string}>();
 
 	t.is(authorization, `Basic ${Buffer.from(':t$es%t').toString('base64')}`);
 });

test/redirects.ts

@@ -490,7 +490,7 @@ test('clears username and password when redirecting to a different hostname', wi
 	const {headers} = await got('', {
 		username: 'hello',
 		password: 'world',
-	}).json();
+	}).json<{headers: Record<string, string | undefined>}>();
 	t.is(headers.Authorization, undefined);
 });
 
@@ -506,7 +506,7 @@ test('clears the authorization header when redirecting to a different hostname',
 		headers: {
 			authorization: 'Basic aGVsbG86d29ybGQ=',
 		},
-	}).json();
+	}).json<{headers: Record<string, string | undefined>}>();
 	t.is(headers.Authorization, undefined);
 });
 

test/retry.ts

@@ -581,9 +581,9 @@ test('reuses request options on retry', withServer, async (t, server, got) => {
 		response.end(JSON.stringify(request.headers));
 	});
 
-	const {body: {accept}, retryCount} = await got('', {timeout: {request: 1000}, responseType: 'json'});
+	const {body, retryCount} = await got('', {timeout: {request: 1000}, responseType: 'json'});
 	t.is(retryCount, 1);
-	t.is(accept, 'application/json');
+	t.is((body as any).accept, 'application/json');
 });
 
 test('respects backoffLimit', withServer, async (t, server, got) => {