Remove env var from .mocharc.js

Author: ravjotbrar

.mocharc.js

@@ -12,8 +12,6 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-process.env.GCLOUD_PROJECT = "test-project";
-
 const config = {
   "enable-source-maps": true,
   "throw-deprecation": true,

test/metrics/spanner-metrics-exporter.test.ts

@@ -34,7 +34,7 @@ const INSTANCE_ID = 'test_instance';
 const DATABASE_ID = 'test_db';
 
 const auth = new GoogleAuth();
-
+process.env.GCLOUD_PROJECT = PROJECT_ID;
 // Ensure custom exporter is valid
 describe('CustomExporter', () => {
   it('should construct an exporter', () => {

test/spanner.ts

@@ -311,6 +311,7 @@ describe('Spanner with mock server', () => {
     // TODO(loite): Enable when SPANNER_EMULATOR_HOST is supported.
     // Set environment variable for SPANNER_EMULATOR_HOST to the mock server.
     // process.env.SPANNER_EMULATOR_HOST = `localhost:${port}`;
+    process.env.GOOGLE_CLOUD_PROJECT = 'test-project';
     spanner = new Spanner({
       servicePath: 'localhost',
       port,