Fix test case failed

Bug: 342830152
Test: run atest SettingsUnitTests:com.android.settings.network.NetworkProviderCallsSmsFragmentTest
Change-Id: I4c3b065995de0b6c9935c34644d1f9fa47357749
diff --git a/tests/unit/src/com/android/settings/network/NetworkProviderCallsSmsFragmentTest.java b/tests/unit/src/com/android/settings/network/NetworkProviderCallsSmsFragmentTest.java
index cc9e116..fa61820 100644
--- a/tests/unit/src/com/android/settings/network/NetworkProviderCallsSmsFragmentTest.java
+++ b/tests/unit/src/com/android/settings/network/NetworkProviderCallsSmsFragmentTest.java
@@ -22,6 +22,7 @@
 
 import android.content.Context;
 import android.os.Looper;
+import android.platform.test.annotations.DisableFlags;
 import android.platform.test.flag.junit.SetFlagsRule;
 
 import androidx.test.annotation.UiThreadTest;
@@ -54,11 +55,11 @@
         if (Looper.myLooper() == null) {
             Looper.prepare();
         }
-        mSetFlagsRule.disableFlags(Flags.FLAG_IS_DUAL_SIM_ONBOARDING_ENABLED);
     }
 
     @Test
     @UiThreadTest
+    @DisableFlags(Flags.FLAG_IS_DUAL_SIM_ONBOARDING_ENABLED)
     public void isPageSearchEnabled_shouldIncludeFragmentXml() {
         mPreferenceKeyList =
                 NetworkProviderCallsSmsFragment.SEARCH_INDEX_DATA_PROVIDER