ServerIPAddress tests fix

Author: kiturutin

browserup-proxy-core/src/test/groovy/com/browserup/bup/mitmproxy/NewHarTest.groovy

@@ -833,7 +833,7 @@ class NewHarTest extends MockServerTest {
         String capturedUrl = har.log.entries[0].request.url
         assertEquals("URL captured in HAR did not match request URL", "https://localhost:2", capturedUrl)
 
-        assertEquals("Expected IP address to be populated", "127.0.0.1", har.log.entries[0].serverIPAddress)
+        assertTrue("Expected IP address to be populated", har.log.entries[0].serverIPAddress in ["127.0.0.1", "::1"] )
 
         HarResponse harResponse = har.log.entries[0].response
         assertNotNull("No HAR response found", harResponse)
@@ -887,7 +887,7 @@ class NewHarTest extends MockServerTest {
         String capturedUrl = har.log.entries[0].request.url
         assertEquals("URL captured in HAR did not match request URL", requestUrl, capturedUrl)
 
-        assertEquals("Expected IP address to be populated", "127.0.0.1", har.log.entries[0].serverIPAddress)
+        assertTrue("Expected IP address to be populated", har.log.entries[0].serverIPAddress in ["127.0.0.1", "::1"])
 
         HarResponse harResponse = har.log.entries[0].response
         assertNotNull("No HAR response found", harResponse)