diff --git a/src/test/java/com/ysoft/geecon/DeviceAuthGrantTest.java b/src/test/java/com/ysoft/geecon/DeviceAuthGrantTest.java
index 80ff55a..88cb1fe 100644
--- a/src/test/java/com/ysoft/geecon/DeviceAuthGrantTest.java
+++ b/src/test/java/com/ysoft/geecon/DeviceAuthGrantTest.java
@@ -45,14 +45,6 @@ public class DeviceAuthGrantTest {
     }
 
 
-    @Test
-    public void deviceAuthGrant_invalidCode() throws IOException {
-        DeviceCodeScreen deviceCodeScreen = new DeviceCodeScreen(deviceLoginUri);
-
-        HttpStatusException exception = assertThrows(HttpStatusException.class, () -> deviceCodeScreen.enterCode("somecode"));
-        assertThat(exception.getStatusCode(), is(404));
-    }
-
     @Test
     public void deviceAuthGrant() throws IOException {
         DeviceAuthorizationGrantFlow flow = new DeviceAuthorizationGrantFlow(deviceUri, CLIENT);
@@ -66,4 +58,19 @@ public class DeviceAuthGrantTest {
 
         flow.exchangeDeviceCode();
     }
+
+    @Test
+    public void deviceAuthGrant_invalidUserCode() throws IOException {
+        DeviceCodeScreen deviceCodeScreen = new DeviceCodeScreen(deviceLoginUri);
+
+        HttpStatusException exception = assertThrows(HttpStatusException.class, () -> deviceCodeScreen.enterCode("somecode"));
+        assertThat(exception.getStatusCode(), is(404));
+    }
+
+    @Test
+    public void deviceAuthGrant_authorizationPending() throws IOException {
+        DeviceAuthorizationGrantFlow flow = new DeviceAuthorizationGrantFlow(deviceUri, CLIENT);
+        flow.start();
+        flow.exchangeDeviceCode();
+    }
 }
\ No newline at end of file