Fix test

Signed-off-by: Alex Saveau <saveau.alexandre@gmail.com>

Author: SUPERCILEX

auth/src/test/java/com/firebase/ui/auth/viewmodel/SocialProviderResponseHandlerTest.java

@@ -91,17 +91,15 @@ public void testSignInIdp_success() {
                 .onChanged(argThat(ResourceMatchers.<IdpResponse>isSuccess()));
     }
 
-    @Test
-    public void testSignInNonIdp_success() {
+    @Test(expected = IllegalStateException.class)
+    public void testSignInNonIdp_failure() {
         mHandler.getOperation().observeForever(mResultObserver);
 
         IdpResponse response = new IdpResponse.Builder(new User.Builder(
                 EmailAuthProvider.PROVIDER_ID, TestConstants.EMAIL).build())
                 .build();
 
         mHandler.startSignIn(response);
-
-        verify(mResultObserver).onChanged(argThat(ResourceMatchers.<IdpResponse>isSuccess()));
     }
 
     @Test