Enhance NetworkTemplate test

This change addresses comment from aosp/1784390 to improve test

Bug: 200454911
Test: FrameworksNetTests:NetworkTemplateTest#testMobileWildcardMatches
Change-Id: Ia0ac9e44d12e7c9e26cf46adaa26a2e2771947d0
diff --git a/tests/unit/java/android/net/NetworkTemplateTest.kt b/tests/unit/java/android/net/NetworkTemplateTest.kt
index 6c39169..666da53 100644
--- a/tests/unit/java/android/net/NetworkTemplateTest.kt
+++ b/tests/unit/java/android/net/NetworkTemplateTest.kt
@@ -231,10 +231,15 @@
         val mobileImsi1 = buildMobileNetworkState(TEST_IMSI1)
         val identMobile1 = buildNetworkIdentity(mockContext, mobileImsi1,
                 false /* defaultNetwork */, TelephonyManager.NETWORK_TYPE_UMTS)
+        val mobileImsi2 = buildMobileNetworkState(TEST_IMSI2)
+        val identMobile2 = buildNetworkIdentity(mockContext, mobileImsi2,
+                false /* defaultNetwork */, TelephonyManager.NETWORK_TYPE_LTE)
 
         // Verify that the template matches any subscriberId.
         templateMobileWildcard.assertMatches(identMobile1)
         templateMobileNullImsiWithRatType.assertMatches(identMobile1)
+        templateMobileWildcard.assertMatches(identMobile2)
+        templateMobileNullImsiWithRatType.assertDoesNotMatch(identMobile2)
 
         val identWifiImsi1Key1 = buildNetworkIdentity(
                 mockContext, buildWifiNetworkState(TEST_IMSI1, TEST_WIFI_KEY1), true, 0)