fix fixtures path in tests

Author: bshaffer

tests/Credentials/ImpersonatedServiceAccountCredentialsTest.php

@@ -563,7 +563,7 @@ public function testUpdateMetadataWithTrustBoundary()
             'service_account_impersonation_url' => 'https://iamcredentials.googleapis.com/v1',
             'source_credentials' => [
                 'type' => 'service_account',
-                'private_key' => file_get_contents(__DIR__ . '/../fixtures/private.pem'),
+                'private_key' => file_get_contents(__DIR__ . '/../fixtures/fixtures1/private.pem'),
                 'client_email' => 'test@example.com',
             ],
         ];
@@ -589,7 +589,7 @@ public function testUpdateMetadataWithTrustBoundarySuppressedWithUniverseDomain(
             'service_account_impersonation_url' => 'https://iamcredentials.googleapis.com/v1',
             'source_credentials' => [
                 'type' => 'service_account',
-                'private_key' => file_get_contents(__DIR__ . '/../fixtures/private.pem'),
+                'private_key' => file_get_contents(__DIR__ . '/../fixtures/fixtures1/private.pem'),
                 'client_email' => 'test@example.com',
                 'universe_domain' => 'foo.com'
             ],

tests/Credentials/ServiceAccountCredentialsTest.php

@@ -434,7 +434,7 @@ public function testUpdateMetadataWithTrustBoundary()
 
         $jsonKey = [
             'type' => 'service_account',
-            'private_key' => file_get_contents(__DIR__ . '/../fixtures/private.pem'),
+            'private_key' => file_get_contents(__DIR__ . '/../fixtures/fixtures1/private.pem'),
             'client_email' => 'test@example.com',
         ];
         $serviceAccountCreds = new ServiceAccountCredentials(
@@ -453,7 +453,7 @@ public function testUpdateMetadataWithTrustBoundarySuppressedWithUniverseDomain(
     {
         $jsonKey = [
             'type' => 'service_account',
-            'private_key' => file_get_contents(__DIR__ . '/../fixtures/private.pem'),
+            'private_key' => file_get_contents(__DIR__ . '/../fixtures/fixtures1/private.pem'),
             'client_email' => 'test@example.com',
             'universe_domain' => 'foo.com',
         ];

tests/Credentials/ServiceAccountJwtAccessCredentialsTest.php

@@ -561,7 +561,7 @@ public function testUpdateMetadataWithTrustBoundary()
 
         $jsonKey = [
             'type' => 'service_account',
-            'private_key' => file_get_contents(__DIR__ . '/../fixtures/private.pem'),
+            'private_key' => file_get_contents(__DIR__ . '/../fixtures/fixtures1/private.pem'),
             'client_email' => 'test@example.com',
         ];
         $serviceAccountCreds = new ServiceAccountCredentials(