ethernet: remove unit test cases that have end-to-end coverage

The removed test cases already have coverage in EthernetManagerTest and
are therefore removed. The removed tests should all be covered by
testNetworkRequest_withSingleExistingInterface.

Test: atest EthernetManagerTest
Change-Id: I5e23fc17ab10429dfb10477ff9ba546db37727ea
diff --git a/tests/cts/net/src/android/net/cts/EthernetManagerTest.kt b/tests/cts/net/src/android/net/cts/EthernetManagerTest.kt
index 3f21864..a37a33b 100644
--- a/tests/cts/net/src/android/net/cts/EthernetManagerTest.kt
+++ b/tests/cts/net/src/android/net/cts/EthernetManagerTest.kt
@@ -689,6 +689,8 @@
 
         // install a listener which will later be used to verify the Lost callback
         val listenerCb = registerNetworkListener(ETH_REQUEST)
+        // assert the network is only brought up by a request.
+        listenerCb.assertNeverAvailable()
 
         val cb = requestNetwork(ETH_REQUEST)
         val network = cb.expectAvailable()
diff --git a/tests/unit/java/com/android/server/ethernet/EthernetNetworkFactoryTest.java b/tests/unit/java/com/android/server/ethernet/EthernetNetworkFactoryTest.java
index aad80d5..eee2f1e 100644
--- a/tests/unit/java/com/android/server/ethernet/EthernetNetworkFactoryTest.java
+++ b/tests/unit/java/com/android/server/ethernet/EthernetNetworkFactoryTest.java
@@ -306,35 +306,6 @@
     }
 
     @Test
-    public void testUpdateInterfaceLinkStateForProvisionedInterface() throws Exception {
-        initEthernetNetworkFactory();
-        createAndVerifyProvisionedInterface(TEST_IFACE);
-
-        final boolean retDown = mNetFactory.updateInterfaceLinkState(TEST_IFACE, false /* up */);
-
-        assertTrue(retDown);
-        verifyStop();
-
-        final boolean retUp = mNetFactory.updateInterfaceLinkState(TEST_IFACE, true /* up */);
-
-        assertTrue(retUp);
-    }
-
-    @Test
-    public void testUpdateInterfaceLinkStateForUnprovisionedInterface() throws Exception {
-        initEthernetNetworkFactory();
-        createUnprovisionedInterface(TEST_IFACE);
-
-        final boolean ret = mNetFactory.updateInterfaceLinkState(TEST_IFACE, false /* up */);
-
-        assertTrue(ret);
-        // There should not be an active IPClient or NetworkAgent.
-        verify(mDeps, never()).makeIpClient(any(), any(), any());
-        verify(mDeps, never())
-                .makeEthernetNetworkAgent(any(), any(), any(), any(), any(), any(), any());
-    }
-
-    @Test
     public void testUpdateInterfaceLinkStateForNonExistingInterface() throws Exception {
         initEthernetNetworkFactory();
 
@@ -346,17 +317,6 @@
     }
 
     @Test
-    public void testUpdateInterfaceLinkStateWithNoChanges() throws Exception {
-        initEthernetNetworkFactory();
-        createAndVerifyProvisionedInterface(TEST_IFACE);
-
-        final boolean ret = mNetFactory.updateInterfaceLinkState(TEST_IFACE, true /* up */);
-
-        assertFalse(ret);
-        verifyNoStopOrStart();
-    }
-
-    @Test
     public void testProvisioningLoss() throws Exception {
         initEthernetNetworkFactory();
         when(mDeps.getNetworkInterfaceByName(TEST_IFACE)).thenReturn(mInterfaceParams);