diff --git a/packages/compute/test/zone.js b/packages/compute/test/zone.js
index 78f911bf2b8..5f92235ee17 100644
--- a/packages/compute/test/zone.js
+++ b/packages/compute/test/zone.js
@@ -182,7 +182,7 @@ describe('Zone', function() {
     it('should throw if a target is not provided', function() {
       assert.throws(function() {
         zone.createAutoscaler(NAME, {}, assert.ifError);
-      }, 'Cannot create an autoscaler without a target.');
+      }, /Cannot create an autoscaler without a target\./);
     });
 
     it('should make the correct request', function(done) {
diff --git a/packages/datastore/test/request.js b/packages/datastore/test/request.js
index 39ce7c01f2d..071106e8549 100644
--- a/packages/datastore/test/request.js
+++ b/packages/datastore/test/request.js
@@ -1305,7 +1305,7 @@ describe('Request', function() {
 
         assert.throws(function() {
           request.request_({ method: 'runQuery' }, reqOpts, assert.ifError);
-        }, 'Read consistency cannot be specified in a transaction.');
+        }, /Read consistency cannot be specified in a transaction\./);
       });
     });
   });
diff --git a/packages/logging/test/index.js b/packages/logging/test/index.js
index 92e3e3aa7c1..c161064c693 100644
--- a/packages/logging/test/index.js
+++ b/packages/logging/test/index.js
@@ -170,13 +170,13 @@ describe('Logging', function() {
     it('should throw if a name is not provided', function() {
       assert.throws(function() {
         logging.createSink();
-      }, 'A sink name must be provided.');
+      }, /A sink name must be provided\./);
     });
 
     it('should throw if a config object is not provided', function() {
       assert.throws(function() {
         logging.createSink(SINK_NAME);
-      }, 'A sink configuration object must be provided.');
+      }, /A sink configuration object must be provided\./);
     });
 
     it('should set acls for a Bucket destination', function(done) {
diff --git a/packages/prediction/test/index.js b/packages/prediction/test/index.js
index 7e5e4f27e44..283c418ee04 100644
--- a/packages/prediction/test/index.js
+++ b/packages/prediction/test/index.js
@@ -128,7 +128,7 @@ describe('Prediction', function() {
     it('should throw if a model ID is not provided', function() {
       assert.throws(function() {
         prediction.createModel();
-      }, /A model ID is required/);
+      }, /A model ID is required\./);
     });
 
     it('should make the correct API request', function(done) {
@@ -379,7 +379,7 @@ describe('Prediction', function() {
     it('should throw if a name is not provided', function() {
       assert.throws(function() {
         prediction.model();
-      }, /A model ID is required/);
+      }, /A model ID is required\./);
     });
 
     it('should return a Model', function() {
diff --git a/packages/pubsub/test/iam.js b/packages/pubsub/test/iam.js
index c1478de42fa..dc394497ddb 100644
--- a/packages/pubsub/test/iam.js
+++ b/packages/pubsub/test/iam.js
@@ -93,7 +93,7 @@ describe('IAM', function() {
     it('should throw an error if a policy is not supplied', function() {
       assert.throws(function() {
         iam.setPolicy(util.noop);
-      }, /A policy object is required/);
+      }, /A policy object is required\./);
     });
 
     it('should make the correct API request', function(done) {
@@ -117,7 +117,7 @@ describe('IAM', function() {
     it('should throw an error if permissions are missing', function() {
       assert.throws(function() {
         iam.testPermissions(util.noop);
-      }, /Permissions are required/);
+      }, /Permissions are required\./);
     });
 
     it('should make the correct API request', function(done) {
diff --git a/packages/pubsub/test/index.js b/packages/pubsub/test/index.js
index 0879562d14f..f4c72c91947 100644
--- a/packages/pubsub/test/index.js
+++ b/packages/pubsub/test/index.js
@@ -468,13 +468,13 @@ describe('PubSub', function() {
     it('should throw if no Topic is provided', function() {
       assert.throws(function() {
         pubsub.subscribe();
-      }, /A Topic is required.*/);
+      }, /A Topic is required for a new subscription\./);
     });
 
     it('should throw if no sub name is provided', function() {
       assert.throws(function() {
         pubsub.subscribe('topic');
-      }, /A subscription name is required.*/);
+      }, /A subscription name is required for a new subscription\./);
     });
 
     it('should not require configuration options', function(done) {
@@ -680,7 +680,7 @@ describe('PubSub', function() {
     it('should throw if no name is provided', function() {
       assert.throws(function() {
         pubsub.subscription();
-      }, /The name of a subscription is required/);
+      }, /The name of a subscription is required\./);
     });
 
     it('should return a Subscription object', function() {
@@ -716,7 +716,7 @@ describe('PubSub', function() {
     it('should throw if a name is not provided', function() {
       assert.throws(function() {
         pubsub.topic();
-      }, /name must be specified/);
+      }, /A name must be specified for a new topic\./);
     });
 
     it('should return a Topic object', function() {
diff --git a/packages/pubsub/test/subscription.js b/packages/pubsub/test/subscription.js
index 4c35a7f80d7..e7dbc5d2dcd 100644
--- a/packages/pubsub/test/subscription.js
+++ b/packages/pubsub/test/subscription.js
@@ -258,10 +258,10 @@ describe('Subscription', function() {
     it('should throw if no IDs are provided', function() {
       assert.throws(function() {
         subscription.ack();
-      }, /At least one ID/);
+      }, /At least one ID must be specified before it can be acknowledged\./);
       assert.throws(function() {
         subscription.ack([]);
-      }, /At least one ID/);
+      }, /At least one ID must be specified before it can be acknowledged\./);
     });
 
     it('should accept a single id', function() {
diff --git a/packages/pubsub/test/topic.js b/packages/pubsub/test/topic.js
index 767c95d2a39..1b2868a74a9 100644
--- a/packages/pubsub/test/topic.js
+++ b/packages/pubsub/test/topic.js
@@ -185,17 +185,17 @@ describe('Topic', function() {
     it('should throw if no message is provided', function() {
       assert.throws(function() {
         topic.publish();
-      }, /Cannot publish without a message/);
+      }, /Cannot publish without a message\./);
 
       assert.throws(function() {
         topic.publish([]);
-      }, /Cannot publish without a message/);
+      }, /Cannot publish without a message\./);
     });
 
     it('should throw if a message has no data', function() {
       assert.throws(function() {
         topic.publish({});
-      }, /Cannot publish message without a `data` property/);
+      }, /Cannot publish message without a `data` property\./);
     });
 
     it('should send correct api request', function(done) {
diff --git a/packages/resource/test/index.js b/packages/resource/test/index.js
index d7934a39ae1..d0ac5dc8631 100644
--- a/packages/resource/test/index.js
+++ b/packages/resource/test/index.js
@@ -327,7 +327,7 @@ describe('Resource', function() {
 
       assert.throws(function() {
         resourceWithoutProjectId.project();
-      }, /A project ID is required/);
+      }, /A project ID is required\./);
     });
   });
 });
diff --git a/packages/storage/test/bucket.js b/packages/storage/test/bucket.js
index c29baa8bcc6..249100b50bc 100644
--- a/packages/storage/test/bucket.js
+++ b/packages/storage/test/bucket.js
@@ -194,23 +194,19 @@ describe('Bucket', function() {
 
   describe('combine', function() {
     it('should throw if invalid sources are not provided', function() {
-      var error = 'You must provide at least two source files.';
-
       assert.throws(function() {
         bucket.combine();
-      }, new RegExp(error));
+      }, /You must provide at least two source files\./);
 
       assert.throws(function() {
         bucket.combine(['1']);
-      }, new RegExp(error));
+      }, /You must provide at least two source files\./);
     });
 
     it('should throw if a destination is not provided', function() {
-      var error = 'A destination file must be specified.';
-
       assert.throws(function() {
         bucket.combine(['1', '2']);
-      }, new RegExp(error));
+      }, /A destination file must be specified\./);
     });
 
     it('should accept string or file input for sources', function(done) {
@@ -292,7 +288,7 @@ describe('Bucket', function() {
     it('should throw if content type cannot be determined', function() {
       assert.throws(function() {
         bucket.combine(['1', '2'], 'destination');
-      }, /A content type could not be detected/);
+      }, /A content type could not be detected for the destination file\./);
     });
 
     it('should make correct API request', function(done) {
@@ -395,13 +391,13 @@ describe('Bucket', function() {
     it('should throw if an ID is not provided', function() {
       assert.throws(function() {
         bucket.createChannel();
-      }, 'An ID is required to create a channel.');
+      }, /An ID is required to create a channel\./);
     });
 
     it('should throw if an address is not provided', function() {
       assert.throws(function() {
         bucket.createChannel(ID, {});
-      }, 'An address is required to create a channel.');
+      }, /An address is required to create a channel\./);
     });
 
     it('should make the correct request', function(done) {
@@ -607,7 +603,7 @@ describe('Bucket', function() {
     it('should throw if no name is provided', function() {
       assert.throws(function() {
         bucket.file();
-      }, /A file name must be specified/);
+      }, /A file name must be specified\./);
     });
 
     it('should return a File object', function() {
diff --git a/packages/storage/test/file.js b/packages/storage/test/file.js
index 6b7c9c59d19..a60480d255d 100644
--- a/packages/storage/test/file.js
+++ b/packages/storage/test/file.js
@@ -235,7 +235,7 @@ describe('File', function() {
     it('should throw if no destination is provided', function() {
       assert.throws(function() {
         file.copy();
-      }, /should have a name/);
+      }, /Destination file should have a name\./);
     });
 
     it('should URI encode file names', function(done) {
@@ -335,7 +335,7 @@ describe('File', function() {
       it('should throw if a destination cannot be parsed', function() {
         assert.throws(function() {
           file.copy(function() {});
-        }, /should have a name/);
+        }, /Destination file should have a name\./);
       });
     });
 
@@ -479,21 +479,21 @@ describe('File', function() {
           start: 3,
           end: 8
         });
-      }, /Cannot use validation with file ranges/);
+      }, /Cannot use validation with file ranges \(start\/end\)\./);
 
       assert.throws(function() {
         file.createReadStream({
           validation: true,
           start: 3
         });
-      }, /Cannot use validation with file ranges/);
+      }, /Cannot use validation with file ranges \(start\/end\)\./);
 
       assert.throws(function() {
         file.createReadStream({
           validation: true,
           end: 8
         });
-      }, /Cannot use validation with file ranges/);
+      }, /Cannot use validation with file ranges \(start\/end\)\./);
 
       assert.doesNotThrow(function() {
         file.createReadStream({
@@ -1600,7 +1600,7 @@ describe('File', function() {
           file.getSignedPolicy({
             expires: expires
           }, function() {});
-        }, /cannot be in the past/);
+        }, /An expiration date cannot be in the past\./);
       });
     });
 
@@ -1635,7 +1635,7 @@ describe('File', function() {
             expires: Date.now() + 5,
             equals: [{}]
           }, function() {});
-        }, /Equals condition must be an array/);
+        }, /Equals condition must be an array of 2 elements\./);
       });
 
       it('should throw if equal condition length is not 2', function() {
@@ -1644,7 +1644,7 @@ describe('File', function() {
             expires: Date.now() + 5,
             equals: [['1', '2', '3']]
           }, function() {});
-        }, /Equals condition must be an array of 2 elements/);
+        }, /Equals condition must be an array of 2 elements\./);
       });
     });
 
@@ -1679,7 +1679,7 @@ describe('File', function() {
             expires: Date.now() + 5,
             startsWith: [{}]
           }, function() {});
-        }, /StartsWith condition must be an array/);
+        }, /StartsWith condition must be an array of 2 elements\./);
       });
 
       it('should throw if prefix condition length is not 2', function() {
@@ -1688,7 +1688,7 @@ describe('File', function() {
             expires: Date.now() + 5,
             startsWith: [['1', '2', '3']]
           }, function() {});
-        }, /StartsWith condition must be an array of 2 elements/);
+        }, /StartsWith condition must be an array of 2 elements\./);
       });
     });
 
@@ -1711,7 +1711,7 @@ describe('File', function() {
             expires: Date.now() + 5,
             contentLengthRange: [{max: 1}]
           }, function() {});
-        }, /ContentLengthRange must have numeric min & max fields/);
+        }, /ContentLengthRange must have numeric min & max fields\./);
       });
 
       it('should throw if content length has no max', function() {
@@ -1720,7 +1720,7 @@ describe('File', function() {
             expires: Date.now() + 5,
             contentLengthRange: [{min: 0}]
           }, function() {});
-        }, /ContentLengthRange must have numeric min & max fields/);
+        }, /ContentLengthRange must have numeric min & max fields\./);
       });
     });
   });
@@ -1962,7 +1962,7 @@ describe('File', function() {
             action: 'read',
             expires: expires
           }, function() {});
-        }, /cannot be in the past/);
+        }, /An expiration date cannot be in the past\./);
       });
     });
 
@@ -2077,12 +2077,6 @@ describe('File', function() {
   });
 
   describe('move', function() {
-    it('should throw if no destination is provided', function() {
-      assert.throws(function() {
-        file.move();
-      }, /should have a name/);
-    });
-
     describe('copy to destination', function() {
       function assertCopyFile(file, expectedDestination, callback) {
         file.copy = function(destination) {
diff --git a/packages/storage/test/index.js b/packages/storage/test/index.js
index 9053da8b54d..b581c73c5ed 100644
--- a/packages/storage/test/index.js
+++ b/packages/storage/test/index.js
@@ -118,7 +118,7 @@ describe('Storage', function() {
     it('should throw if no name was provided', function() {
       assert.throws(function() {
         storage.bucket();
-      }, /A bucket name is needed/);
+      }, /A bucket name is needed to use Google Cloud Storage\./);
     });
 
     it('should accept a string for a name', function() {
@@ -187,7 +187,7 @@ describe('Storage', function() {
     it('should throw if no name is provided', function() {
       assert.throws(function() {
         storage.createBucket();
-      }, /A name is required/);
+      }, /A name is required to create a bucket\./);
     });
 
     it('should execute callback with bucket', function(done) {
diff --git a/packages/translate/test/index.js b/packages/translate/test/index.js
index 89ed0abe370..00804e026e5 100644
--- a/packages/translate/test/index.js
+++ b/packages/translate/test/index.js
@@ -81,7 +81,7 @@ describe('Translate', function() {
     it('should throw if an API key is not provided', function() {
       assert.throws(function() {
         new Translate({});
-      }, 'An API key is required to use the Translate API.');
+      }, /An API key is required to use the Translate API\./);
     });
 
     it('should localize the options', function() {
@@ -266,7 +266,7 @@ describe('Translate', function() {
       it('should throw if `to` is not provided', function() {
         assert.throws(function() {
           translate.translate(INPUT, { from: SOURCE_LANG_CODE }, util.noop);
-        }, 'A target language is required to perform a translation.');
+        }, /A target language is required to perform a translation\./);
       });
 
       it('should make the correct API request', function(done) {
diff --git a/packages/vision/test/index.js b/packages/vision/test/index.js
index 83ec3b90175..60e83be02e8 100644
--- a/packages/vision/test/index.js
+++ b/packages/vision/test/index.js
@@ -262,7 +262,7 @@ describe('Vision', function() {
 
       assert.throws(function() {
         vision.detect(IMAGE, type, assert.ifError);
-      }, 'Requested detection feature not found: ' + type);
+      }, /Requested detection feature not found: not-real-type/);
     });
 
     it('should format the correct config', function(done) {