test: use strictEqual in tests (#23)

Author: JustinBeckwith

packages/google-cloud-redis/test/gapic-v1beta1.js

@@ -83,7 +83,7 @@ describe('CloudRedisClient', () => {
 
       client.listInstances(request, (err, response) => {
         assert(err instanceof Error);
-        assert.equal(err.code, FAKE_STATUS_CODE);
+        assert.strictEqual(err.code, FAKE_STATUS_CODE);
         assert(typeof response === 'undefined');
         done();
       });
@@ -173,7 +173,7 @@ describe('CloudRedisClient', () => {
 
       client.getInstance(request, (err, response) => {
         assert(err instanceof Error);
-        assert.equal(err.code, FAKE_STATUS_CODE);
+        assert.strictEqual(err.code, FAKE_STATUS_CODE);
         assert(typeof response === 'undefined');
         done();
       });
@@ -290,7 +290,7 @@ describe('CloudRedisClient', () => {
         })
         .catch(err => {
           assert(err instanceof Error);
-          assert.equal(err.code, FAKE_STATUS_CODE);
+          assert.strictEqual(err.code, FAKE_STATUS_CODE);
           done();
         });
     });
@@ -427,7 +427,7 @@ describe('CloudRedisClient', () => {
         })
         .catch(err => {
           assert(err instanceof Error);
-          assert.equal(err.code, FAKE_STATUS_CODE);
+          assert.strictEqual(err.code, FAKE_STATUS_CODE);
           done();
         });
     });
@@ -523,7 +523,7 @@ describe('CloudRedisClient', () => {
         })
         .catch(err => {
           assert(err instanceof Error);
-          assert.equal(err.code, FAKE_STATUS_CODE);
+          assert.strictEqual(err.code, FAKE_STATUS_CODE);
           done();
         });
     });