chore: Fix tests

Author: lqiu96

oauth2_http/javatests/com/google/auth/oauth2/ComputeEngineCredentialsTest.java

@@ -32,6 +32,7 @@
 package com.google.auth.oauth2;
 
 import static com.google.auth.oauth2.ComputeEngineCredentials.METADATA_RESPONSE_EMPTY_CONTENT_ERROR_MESSAGE;
+import static com.google.auth.oauth2.ImpersonatedCredentialsTest.SA_CLIENT_EMAIL;
 import static org.junit.Assert.assertArrayEquals;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
@@ -387,7 +388,7 @@ public void create_scoped_correctMargins() {
   @Test
   public void getRequestMetadata_hasAccessToken() throws IOException {
     MockMetadataServerTransportFactory transportFactory = new MockMetadataServerTransportFactory();
-    transportFactory.transport.setServiceAccountEmail("[email protected]");
+    transportFactory.transport.setServiceAccountEmail(SA_CLIENT_EMAIL);
     ComputeEngineCredentials credentials =
         ComputeEngineCredentials.newBuilder().setHttpTransportFactory(transportFactory).build();
     Map<String, List<String>> metadata = credentials.getRequestMetadata(CALL_URI);
@@ -404,7 +405,7 @@ public void getRequestMetadata_hasAccessToken() throws IOException {
   public void getRequestMetadata_shouldInvalidateAccessTokenWhenScoped_newAccessTokenFromRefresh()
       throws IOException {
     MockMetadataServerTransportFactory transportFactory = new MockMetadataServerTransportFactory();
-    transportFactory.transport.setServiceAccountEmail("[email protected]");
+    transportFactory.transport.setServiceAccountEmail("SA_CLIENT_EMAIL");
     ComputeEngineCredentials credentials =
         ComputeEngineCredentials.newBuilder().setHttpTransportFactory(transportFactory).build();
     Map<String, List<String>> metadata = credentials.getRequestMetadata(CALL_URI);
@@ -425,7 +426,7 @@ public void getRequestMetadata_shouldInvalidateAccessTokenWhenScoped_newAccessTo
   public void getRequestMetadata_missingServiceAccount_throws() {
     MockMetadataServerTransportFactory transportFactory = new MockMetadataServerTransportFactory();
     transportFactory.transport.setStatusCode(HttpStatusCodes.STATUS_CODE_NOT_FOUND);
-    transportFactory.transport.setServiceAccountEmail("[email protected]");
+    transportFactory.transport.setServiceAccountEmail("SA_CLIENT_EMAIL");
     ComputeEngineCredentials credentials =
         ComputeEngineCredentials.newBuilder().setHttpTransportFactory(transportFactory).build();
     try {
@@ -443,7 +444,7 @@ public void getRequestMetadata_missingServiceAccount_throws() {
   public void getRequestMetadata_serverError_throws() {
     MockMetadataServerTransportFactory transportFactory = new MockMetadataServerTransportFactory();
     transportFactory.transport.setStatusCode(HttpStatusCodes.STATUS_CODE_SERVER_ERROR);
-    transportFactory.transport.setServiceAccountEmail("[email protected]");
+    transportFactory.transport.setServiceAccountEmail("SA_CLIENT_EMAIL");
     ComputeEngineCredentials credentials =
         ComputeEngineCredentials.newBuilder().setHttpTransportFactory(transportFactory).build();
     try {

oauth2_http/javatests/com/google/auth/oauth2/DefaultCredentialsProviderTest.java

@@ -305,7 +305,7 @@ public void getDefaultCredentials_appEngineSkipWorks_retrievesCloudShellCredenti
   @Test
   public void getDefaultCredentials_compute_providesToken() throws IOException {
     MockMetadataServerTransportFactory transportFactory = new MockMetadataServerTransportFactory();
-    transportFactory.transport.setServiceAccountEmail("[email protected]");
+    transportFactory.transport.setServiceAccountEmail(SA_CLIENT_EMAIL);
     TestDefaultCredentialsProvider testProvider = new TestDefaultCredentialsProvider();
 
     GoogleCredentials defaultCredentials = testProvider.getDefaultCredentials(transportFactory);

oauth2_http/javatests/com/google/auth/oauth2/LoggingTest.java

@@ -434,7 +434,7 @@ public void sign_sameAs() throws IOException {
   public void getRequestMetadata_hasAccessToken() throws IOException {
     TestAppender testAppender = setupTestLogger(ComputeEngineCredentials.class);
     MockMetadataServerTransportFactory transportFactory = new MockMetadataServerTransportFactory();
-    transportFactory.transport.setServiceAccountEmail("[email protected]");
+    transportFactory.transport.setServiceAccountEmail("SA_CLIENT_EMAIL");
     ComputeEngineCredentials credentials =
         ComputeEngineCredentials.newBuilder().setHttpTransportFactory(transportFactory).build();
     Map<String, List<String>> metadata = credentials.getRequestMetadata(CALL_URI);