diff --git a/tests/net/common/java/android/net/netstats/NetworkStatsApiTest.kt b/tests/net/common/java/android/net/netstats/NetworkStatsApiTest.kt
index 9119d62..7b22e45 100644
--- a/tests/net/common/java/android/net/netstats/NetworkStatsApiTest.kt
+++ b/tests/net/common/java/android/net/netstats/NetworkStatsApiTest.kt
@@ -31,7 +31,6 @@
 import android.os.Build
 import androidx.test.filters.SmallTest
 import com.android.testutils.DevSdkIgnoreRule
-import com.android.testutils.DevSdkIgnoreRule.IgnoreUpTo
 import com.android.testutils.assertFieldCountEquals
 import com.android.testutils.assertNetworkStatsEquals
 import com.android.testutils.assertParcelingIsLossless
@@ -47,70 +46,22 @@
 class NetworkStatsApiTest {
     @Rule
     @JvmField
-    val ignoreRule = DevSdkIgnoreRule()
+    val ignoreRule = DevSdkIgnoreRule(ignoreClassUpTo = Build.VERSION_CODES.Q)
 
     private val testStatsEmpty = NetworkStats(0L, 0)
 
+    // Note that these variables need to be initialized outside of constructor, initialize
+    // here with methods that don't exist in Q devices will result in crash.
+
     // stats1 and stats2 will have some entries with common keys, which are expected to
     // be merged if performing add on these 2 stats.
-    private val testStats1 = NetworkStats(0L, 0)
-            // Entries which only appear in set1.
-            .addEntry(Entry(TEST_IFACE, TEST_UID1, SET_DEFAULT, TAG_NONE,
-                    METERED_NO, ROAMING_NO, DEFAULT_NETWORK_YES, 20, 3, 57, 40, 3))
-            .addEntry(Entry(TEST_IFACE, TEST_UID1, SET_DEFAULT, TAG_NONE,
-                    METERED_NO, ROAMING_YES, DEFAULT_NETWORK_NO, 31, 7, 24, 5, 8))
-            .addEntry(Entry(TEST_IFACE, TEST_UID1, SET_DEFAULT, TAG_NONE,
-                    METERED_YES, ROAMING_NO, DEFAULT_NETWORK_NO, 25, 3, 47, 8, 2))
-            .addEntry(Entry(TEST_IFACE, TEST_UID1, SET_FOREGROUND, TAG_NONE,
-                    METERED_NO, ROAMING_NO, DEFAULT_NETWORK_NO, 37, 52, 1, 10, 4))
-            // Entries which are common for set1 and set2.
-            .addEntry(Entry(TEST_IFACE, TEST_UID1, SET_DEFAULT, TAG_NONE,
-                    METERED_NO, ROAMING_NO, DEFAULT_NETWORK_NO, 101, 2, 103, 4, 5))
-            .addEntry(Entry(TEST_IFACE, TEST_UID1, SET_DEFAULT, 0x80,
-                    METERED_NO, ROAMING_NO, DEFAULT_NETWORK_NO, 17, 2, 11, 1, 0))
-            .addEntry(Entry(TEST_IFACE, TEST_UID2, SET_DEFAULT, TAG_NONE,
-                    METERED_NO, ROAMING_NO, DEFAULT_NETWORK_NO, 40, 1, 0, 0, 8))
-            .addEntry(Entry(IFACE_VT, TEST_UID1, SET_DEFAULT, TAG_NONE,
-                    METERED_NO, ROAMING_NO, DEFAULT_NETWORK_NO, 3, 1, 6, 2, 0))
-
-    private val testStats2 = NetworkStats(0L, 0)
-            // Entries which are common for set1 and set2.
-            .addEntry(Entry(TEST_IFACE, TEST_UID1, SET_DEFAULT, 0x80,
-                    METERED_NO, ROAMING_NO, DEFAULT_NETWORK_NO, 3, 15, 2, 31, 1))
-            .addEntry(Entry(TEST_IFACE, TEST_UID1, SET_FOREGROUND, TAG_NONE,
-                    METERED_NO, ROAMING_NO, DEFAULT_NETWORK_NO, 13, 61, 10, 1, 45))
-            .addEntry(Entry(TEST_IFACE, TEST_UID2, SET_DEFAULT, TAG_NONE,
-                    METERED_NO, ROAMING_NO, DEFAULT_NETWORK_NO, 11, 2, 3, 4, 7))
-            .addEntry(Entry(IFACE_VT, TEST_UID1, SET_DEFAULT, TAG_NONE,
-                    METERED_NO, ROAMING_NO, DEFAULT_NETWORK_NO, 4, 3, 2, 1, 0))
-            // Entry which only appears in set2.
-            .addEntry(Entry(IFACE_VT, TEST_UID2, SET_DEFAULT, TAG_NONE,
-                    METERED_NO, ROAMING_NO, DEFAULT_NETWORK_NO, 2, 3, 7, 8, 0))
+    private lateinit var testStats1: NetworkStats
+    private lateinit var testStats2: NetworkStats
 
     // This is a result of adding stats1 and stats2, while the merging of common key items is
     // subject to test later, this should not be initialized with for a loop to add stats1
     // and stats2 above.
-    private val testStats3 = NetworkStats(0L, 9)
-            // Entries which are unique either in stats1 or stats2.
-            .addEntry(Entry(TEST_IFACE, TEST_UID1, SET_DEFAULT, TAG_NONE,
-                    METERED_NO, ROAMING_NO, DEFAULT_NETWORK_NO, 101, 2, 103, 4, 5))
-            .addEntry(Entry(TEST_IFACE, TEST_UID1, SET_DEFAULT, TAG_NONE,
-                    METERED_NO, ROAMING_YES, DEFAULT_NETWORK_NO, 31, 7, 24, 5, 8))
-            .addEntry(Entry(TEST_IFACE, TEST_UID1, SET_DEFAULT, TAG_NONE,
-                    METERED_YES, ROAMING_NO, DEFAULT_NETWORK_NO, 25, 3, 47, 8, 2))
-            .addEntry(Entry(IFACE_VT, TEST_UID2, SET_DEFAULT, TAG_NONE,
-                    METERED_NO, ROAMING_NO, DEFAULT_NETWORK_NO, 2, 3, 7, 8, 0))
-            // Entries which are common for stats1 and stats2 are being merged.
-            .addEntry(Entry(TEST_IFACE, TEST_UID1, SET_DEFAULT, TAG_NONE,
-                    METERED_NO, ROAMING_NO, DEFAULT_NETWORK_YES, 20, 3, 57, 40, 3))
-            .addEntry(Entry(TEST_IFACE, TEST_UID1, SET_DEFAULT, 0x80,
-                    METERED_NO, ROAMING_NO, DEFAULT_NETWORK_NO, 20, 17, 13, 32, 1))
-            .addEntry(Entry(TEST_IFACE, TEST_UID1, SET_FOREGROUND, TAG_NONE,
-                    METERED_NO, ROAMING_NO, DEFAULT_NETWORK_NO, 50, 113, 11, 11, 49))
-            .addEntry(Entry(TEST_IFACE, TEST_UID2, SET_DEFAULT, TAG_NONE,
-                    METERED_NO, ROAMING_NO, DEFAULT_NETWORK_NO, 51, 3, 3, 4, 15))
-            .addEntry(Entry(IFACE_VT, TEST_UID1, SET_DEFAULT, TAG_NONE,
-                    METERED_NO, ROAMING_NO, DEFAULT_NETWORK_NO, 7, 4, 8, 3, 0))
+    private lateinit var testStats3: NetworkStats
 
     companion object {
         private const val TEST_IFACE = "test0"
@@ -120,13 +71,67 @@
 
     @Before
     fun setUp() {
+        testStats1 = NetworkStats(0L, 0)
+                // Entries which only appear in set1.
+                .addEntry(Entry(TEST_IFACE, TEST_UID1, SET_DEFAULT, TAG_NONE,
+                        METERED_NO, ROAMING_NO, DEFAULT_NETWORK_YES, 20, 3, 57, 40, 3))
+                .addEntry(Entry(TEST_IFACE, TEST_UID1, SET_DEFAULT, TAG_NONE,
+                        METERED_NO, ROAMING_YES, DEFAULT_NETWORK_NO, 31, 7, 24, 5, 8))
+                .addEntry(Entry(TEST_IFACE, TEST_UID1, SET_DEFAULT, TAG_NONE,
+                        METERED_YES, ROAMING_NO, DEFAULT_NETWORK_NO, 25, 3, 47, 8, 2))
+                .addEntry(Entry(TEST_IFACE, TEST_UID1, SET_FOREGROUND, TAG_NONE,
+                        METERED_NO, ROAMING_NO, DEFAULT_NETWORK_NO, 37, 52, 1, 10, 4))
+                // Entries which are common for set1 and set2.
+                .addEntry(Entry(TEST_IFACE, TEST_UID1, SET_DEFAULT, TAG_NONE,
+                        METERED_NO, ROAMING_NO, DEFAULT_NETWORK_NO, 101, 2, 103, 4, 5))
+                .addEntry(Entry(TEST_IFACE, TEST_UID1, SET_DEFAULT, 0x80,
+                        METERED_NO, ROAMING_NO, DEFAULT_NETWORK_NO, 17, 2, 11, 1, 0))
+                .addEntry(Entry(TEST_IFACE, TEST_UID2, SET_DEFAULT, TAG_NONE,
+                        METERED_NO, ROAMING_NO, DEFAULT_NETWORK_NO, 40, 1, 0, 0, 8))
+                .addEntry(Entry(IFACE_VT, TEST_UID1, SET_DEFAULT, TAG_NONE,
+                        METERED_NO, ROAMING_NO, DEFAULT_NETWORK_NO, 3, 1, 6, 2, 0))
         assertEquals(8, testStats1.size())
+
+        testStats2 = NetworkStats(0L, 0)
+                // Entries which are common for set1 and set2.
+                .addEntry(Entry(TEST_IFACE, TEST_UID1, SET_DEFAULT, 0x80,
+                        METERED_NO, ROAMING_NO, DEFAULT_NETWORK_NO, 3, 15, 2, 31, 1))
+                .addEntry(Entry(TEST_IFACE, TEST_UID1, SET_FOREGROUND, TAG_NONE,
+                        METERED_NO, ROAMING_NO, DEFAULT_NETWORK_NO, 13, 61, 10, 1, 45))
+                .addEntry(Entry(TEST_IFACE, TEST_UID2, SET_DEFAULT, TAG_NONE,
+                        METERED_NO, ROAMING_NO, DEFAULT_NETWORK_NO, 11, 2, 3, 4, 7))
+                .addEntry(Entry(IFACE_VT, TEST_UID1, SET_DEFAULT, TAG_NONE,
+                        METERED_NO, ROAMING_NO, DEFAULT_NETWORK_NO, 4, 3, 2, 1, 0))
+                // Entry which only appears in set2.
+                .addEntry(Entry(IFACE_VT, TEST_UID2, SET_DEFAULT, TAG_NONE,
+                        METERED_NO, ROAMING_NO, DEFAULT_NETWORK_NO, 2, 3, 7, 8, 0))
         assertEquals(5, testStats2.size())
+
+        testStats3 = NetworkStats(0L, 9)
+                // Entries which are unique either in stats1 or stats2.
+                .addEntry(Entry(TEST_IFACE, TEST_UID1, SET_DEFAULT, TAG_NONE,
+                        METERED_NO, ROAMING_NO, DEFAULT_NETWORK_NO, 101, 2, 103, 4, 5))
+                .addEntry(Entry(TEST_IFACE, TEST_UID1, SET_DEFAULT, TAG_NONE,
+                        METERED_NO, ROAMING_YES, DEFAULT_NETWORK_NO, 31, 7, 24, 5, 8))
+                .addEntry(Entry(TEST_IFACE, TEST_UID1, SET_DEFAULT, TAG_NONE,
+                        METERED_YES, ROAMING_NO, DEFAULT_NETWORK_NO, 25, 3, 47, 8, 2))
+                .addEntry(Entry(IFACE_VT, TEST_UID2, SET_DEFAULT, TAG_NONE,
+                        METERED_NO, ROAMING_NO, DEFAULT_NETWORK_NO, 2, 3, 7, 8, 0))
+                // Entries which are common for stats1 and stats2 are being merged.
+                .addEntry(Entry(TEST_IFACE, TEST_UID1, SET_DEFAULT, TAG_NONE,
+                        METERED_NO, ROAMING_NO, DEFAULT_NETWORK_YES, 20, 3, 57, 40, 3))
+                .addEntry(Entry(TEST_IFACE, TEST_UID1, SET_DEFAULT, 0x80,
+                        METERED_NO, ROAMING_NO, DEFAULT_NETWORK_NO, 20, 17, 13, 32, 1))
+                .addEntry(Entry(TEST_IFACE, TEST_UID1, SET_FOREGROUND, TAG_NONE,
+                        METERED_NO, ROAMING_NO, DEFAULT_NETWORK_NO, 50, 113, 11, 11, 49))
+                .addEntry(Entry(TEST_IFACE, TEST_UID2, SET_DEFAULT, TAG_NONE,
+                        METERED_NO, ROAMING_NO, DEFAULT_NETWORK_NO, 51, 3, 3, 4, 15))
+                .addEntry(Entry(IFACE_VT, TEST_UID1, SET_DEFAULT, TAG_NONE,
+                        METERED_NO, ROAMING_NO, DEFAULT_NETWORK_NO, 7, 4, 8, 3, 0))
         assertEquals(9, testStats3.size())
     }
 
     @Test
-    @IgnoreUpTo(Build.VERSION_CODES.Q)
     fun testAddEntry() {
         val expectedEntriesInStats2 = arrayOf(
                 Entry(TEST_IFACE, TEST_UID1, SET_DEFAULT, 0x80,
@@ -156,7 +161,6 @@
     }
 
     @Test
-    @IgnoreUpTo(Build.VERSION_CODES.Q)
     fun testAdd() {
         var stats = NetworkStats(0L, 0)
         assertNetworkStatsEquals(testStatsEmpty, stats)
@@ -168,7 +172,6 @@
     }
 
     @Test
-    @IgnoreUpTo(Build.VERSION_CODES.Q)
     fun testParcelUnparcel() {
         assertParcelingIsLossless(testStatsEmpty)
         assertParcelingIsLossless(testStats1)
@@ -177,7 +180,6 @@
     }
 
     @Test
-    @IgnoreUpTo(Build.VERSION_CODES.Q)
     fun testDescribeContents() {
         assertEquals(0, testStatsEmpty.describeContents())
         assertEquals(0, testStats1.describeContents())
@@ -186,7 +188,6 @@
     }
 
     @Test
-    @IgnoreUpTo(Build.VERSION_CODES.Q)
     fun testSubtract() {
         // STATS3 - STATS2 = STATS1
         assertNetworkStatsEquals(testStats1, testStats3.subtract(testStats2))
@@ -195,7 +196,6 @@
     }
 
     @Test
-    @IgnoreUpTo(Build.VERSION_CODES.Q)
     fun testMethodsDontModifyReceiver() {
         listOf(testStatsEmpty, testStats1, testStats2, testStats3).forEach {
             val origStats = it.clone()