Inline the assertion in the test method itself.

Author: tusharkhandelwal8

firebase-config/src/test/java/com/google/firebase/remoteconfig/internal/ConfigFetchHandlerTest.java

@@ -778,7 +778,18 @@ public void fetch_usesLatestCustomSignals() throws Exception {
     fetchCallToHttpClientUpdatesClockAndReturnsConfig(firstFetchedContainer);
     fetchHandler.fetch();
 
-    verifyCustomSignals(customSignals);
+    verify(mockBackendFetchApiClient)
+        .fetch(
+            any(HttpURLConnection.class),
+            /* instanceId= */ any(),
+            /* instanceIdToken= */ any(),
+            /* analyticsUserProperties= */ any(),
+            /* lastFetchETag= */ any(),
+            /* customHeaders= */ any(),
+            /* firstOpenTime= */ any(),
+            /* currentTime= */ any(),
+            /* customSignals= */ eq(sharedPrefsClient.getCustomSignals()));
+    assertThat(sharedPrefsClient.getCustomSignals()).isEqualTo(customSignals);
   }
 
   private ConfigFetchHandler getNewFetchHandler(AnalyticsConnector analyticsConnector) {
@@ -985,21 +996,6 @@ private void verifyETags(@Nullable String requestETag, String responseETag) thro
     assertThat(sharedPrefsClient.getLastFetchETag()).isEqualTo(responseETag);
   }
 
-  private void verifyCustomSignals(Map<String, String> customSignals) throws Exception {
-    verify(mockBackendFetchApiClient)
-        .fetch(
-            any(HttpURLConnection.class),
-            /* instanceId= */ any(),
-            /* instanceIdToken= */ any(),
-            /* analyticsUserProperties= */ any(),
-            /* lastFetchETag= */ any(),
-            /* customHeaders= */ any(),
-            /* firstOpenTime= */ any(),
-            /* currentTime= */ any(),
-            /* customSignals= */ eq(sharedPrefsClient.getCustomSignals()));
-    assertThat(sharedPrefsClient.getCustomSignals()).isEqualTo(customSignals);
-  }
-
   private void loadBackendApiClient() throws Exception {
     when(mockBackendFetchApiClient.createHttpURLConnection())
         .thenReturn(new FakeHttpURLConnection(new URL("https://firebase.google.com")));