Fix test of triggerEmergencyNetworkScan

triggerEmergencyNetworkScan needs to be triggered after
setEmergencyMode.

Bug: 336706719
Test: atest VtsHalRadioTargetTest:PerInstance/RadioNetworkTest#triggerEmergencyNetworkScan/0_android_hardware_radio_network_IRadioNetwork_slot1 -- --abi arm64-v8a
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:df7692133547c051389a7eda5a134f8e82dfa163)
Merged-In: If32d594525bea3a4a4562e2b1070ef646744513f
Change-Id: If32d594525bea3a4a4562e2b1070ef646744513f
diff --git a/radio/aidl/vts/radio_network_test.cpp b/radio/aidl/vts/radio_network_test.cpp
index df3fb1e..7e0ebe8 100644
--- a/radio/aidl/vts/radio_network_test.cpp
+++ b/radio/aidl/vts/radio_network_test.cpp
@@ -1777,6 +1777,18 @@
 
     serial = GetRandomSerialNumber();
 
+    radio_network->setEmergencyMode(serial, EmergencyMode::EMERGENCY_WWAN);
+    EXPECT_EQ(std::cv_status::no_timeout, wait());
+    EXPECT_EQ(RadioResponseType::SOLICITED, radioRsp_network->rspInfo.type);
+    EXPECT_EQ(serial, radioRsp_network->rspInfo.serial);
+
+    ASSERT_TRUE(CheckAnyOfErrors(
+            radioRsp_network->rspInfo.error,
+            {RadioError::NONE, RadioError::REQUEST_NOT_SUPPORTED, RadioError::RADIO_NOT_AVAILABLE,
+             RadioError::MODEM_ERR, RadioError::INVALID_ARGUMENTS}));
+
+    serial = GetRandomSerialNumber();
+
     EmergencyNetworkScanTrigger scanRequest;
     scanRequest.accessNetwork = {AccessNetwork::EUTRAN};
     scanRequest.scanType = EmergencyScanType::NO_PREFERENCE;
@@ -1790,6 +1802,19 @@
             radioRsp_network->rspInfo.error,
             {RadioError::NONE, RadioError::REQUEST_NOT_SUPPORTED, RadioError::RADIO_NOT_AVAILABLE,
              RadioError::MODEM_ERR, RadioError::INVALID_ARGUMENTS}));
+
+    // exit emergency mode for other tests
+    serial = GetRandomSerialNumber();
+
+    radio_network->exitEmergencyMode(serial);
+
+    EXPECT_EQ(std::cv_status::no_timeout, wait());
+    EXPECT_EQ(RadioResponseType::SOLICITED, radioRsp_network->rspInfo.type);
+    EXPECT_EQ(serial, radioRsp_network->rspInfo.serial);
+
+    ASSERT_TRUE(CheckAnyOfErrors(radioRsp_network->rspInfo.error,
+                                 {RadioError::NONE, RadioError::REQUEST_NOT_SUPPORTED,
+                                  RadioError::RADIO_NOT_AVAILABLE, RadioError::MODEM_ERR}));
 }
 
 /*