Use example.com in single IP test

.github/workflows/continuous-integration.yml

@@ -19,5 +19,5 @@ jobs:
     steps:
     - uses: actions/checkout@v1
     - name: Setup Xcode
-      run: sudo xcode-select -s /Applications/Xcode_14.3.1.app
+      run: sudo xcode-select -s /Applications/Xcode_15.2.0.app
     - run: make test-${{ matrix.action }}

Sources/NTPClient.swift

@@ -157,6 +157,9 @@ final class NTPClient {
                 return
             }
 
+            print(callbackType)
+            print(data)
+
             guard let info = info else {
                 return
             }

Tests/KronosTests/DNSResolverTests.swift

@@ -5,7 +5,7 @@ final class DNSResolverTests: XCTestCase {
 
     func testResolveOneIP() {
         let expectation = self.expectation(description: "Query host's DNS for a single IP")
-        DNSResolver.resolve(host: "test.com") { addresses in
+        DNSResolver.resolve(host: "example.com") { addresses in
             XCTAssertEqual(addresses.count, 1)
             expectation.fulfill()
         }

Tests/KronosTests/NTPClientTests.swift

@@ -19,32 +19,33 @@ final class NTPClientTests: XCTestCase {
             }
         }
 
-        self.waitForExpectations(timeout: 10)
+        self.waitForExpectations(timeout: 20)
     }
 
     func testQueryPool() {
         let expectation = self.expectation(description: "Offset from ref clock to local clock are accurate")
         NTPClient().query(pool: "0.pool.ntp.org", numberOfSamples: 1, maximumServers: 1) { offset, _, _ in
             XCTAssertNotNil(offset)
 
-            NTPClient().query(pool: "0.pool.ntp.org", numberOfSamples: 1, maximumServers: 1)
+            NTPClient().query(pool: "0.pool.ntp.org", numberOfSamples: 1, maximumServers: 1, timeout: 20)
             { offset2, _, _ in
                 XCTAssertNotNil(offset2)
                 XCTAssertLessThan(abs(offset! - offset2!), 0.10)
                 expectation.fulfill()
             }
         }
 
-        self.waitForExpectations(timeout: 10)
+        self.waitForExpectations(timeout: 20)
     }
 
     func testQueryPoolWithIPv6() {
         let expectation = self.expectation(description: "NTPClient queries a pool that supports IPv6")
-        NTPClient().query(pool: "2.pool.ntp.org", numberOfSamples: 1, maximumServers: 1) { offset, _, _ in
+        NTPClient().query(pool: "2.pool.ntp.org", numberOfSamples: 1, maximumServers: 1, timeout: 20)
+        { offset, _, _ in
             XCTAssertNotNil(offset)
             expectation.fulfill()
         }
 
-        self.waitForExpectations(timeout: 10)
+        self.waitForExpectations(timeout: 20)
     }
 }