diff --git a/bigtable/composer.json b/bigtable/composer.json
index 85296a4722..64f1b30cfa 100644
--- a/bigtable/composer.json
+++ b/bigtable/composer.json
@@ -2,5 +2,10 @@
     "require": {
         "google/cloud-bigtable": "^1.0.0",
         "psr/cache": "^1.0"
+    },
+    "autoload-dev": {
+        "psr-4": {
+            "Google\\Cloud\\Samples\\Bigtable\\Tests\\": "test"
+        }
     }
 }
diff --git a/bigtable/test/BigtableTestTrait.php b/bigtable/test/BigtableTestTrait.php
new file mode 100644
index 0000000000..ae8729bf07
--- /dev/null
+++ b/bigtable/test/BigtableTestTrait.php
@@ -0,0 +1,98 @@
+<?php
+
+/**
+ * Copyright 2019 Google LLC.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+namespace Google\Cloud\Samples\Bigtable\Tests;
+
+use Exception;
+use Google\Cloud\Bigtable\Admin\V2\BigtableInstanceAdminClient;
+use Google\Cloud\Bigtable\Admin\V2\BigtableTableAdminClient;
+use Google\Cloud\Bigtable\Admin\V2\ColumnFamily;
+use Google\Cloud\Bigtable\Admin\V2\Table;
+use Google\Cloud\Bigtable\BigtableClient;
+use Google\Cloud\TestUtils\TestTrait;
+use Google\Cloud\TestUtils\ExponentialBackoffTrait;
+
+trait BigtableTestTrait
+{
+    use TestTrait;
+    use ExponentialBackoffTrait;
+
+    private static $instanceAdminClient;
+    private static $tableAdminClient;
+    private static $bigtableClient;
+    private static $instanceId;
+    private static $tableId;
+
+    public static function setUpBigtableVars()
+    {
+        self::checkProjectEnvVarBeforeClass();
+        self::$instanceAdminClient = new BigtableInstanceAdminClient();
+        self::$tableAdminClient = new BigtableTableAdminClient();
+        self::$bigtableClient = new BigtableClient([
+            'projectId' => self::$projectId,
+        ]);
+    }
+
+    public static function createDevInstance($instanceIdPrefix)
+    {
+        $instanceId = uniqid($instanceIdPrefix);
+        $output = self::runSnippet('create_dev_instance', [
+            self::$projectId,
+            $instanceId,
+            $instanceId,
+        ]);
+
+        // Verify the instance was created successfully
+        if (false !== strpos($output, 'Error: ')) {
+            throw new Exception('Error creating instance: ' . $output);
+        }
+
+        return $instanceId;
+    }
+
+    public static function createTable($tableIdPrefix, $columns = [])
+    {
+        $tableId = uniqid($tableIdPrefix);
+
+        $formattedParent = self::$tableAdminClient
+            ->instanceName(self::$projectId, self::$instanceId);
+
+        $columns = $columns ?: ['stats_summary'];
+        $table = (new Table())->setColumnFamilies(array_combine(
+                $columns,
+                array_fill(0, count($columns), new ColumnFamily)
+        ));
+
+        self::$tableAdminClient->createtable(
+            $formattedParent,
+            $tableId,
+            $table
+        );
+
+        return $tableId;
+    }
+
+    public static function deleteBigtableInstance()
+    {
+        $instanceName = self::$instanceAdminClient->instanceName(
+            self::$projectId,
+            self::$instanceId
+        );
+        self::$instanceAdminClient->deleteInstance($instanceName);
+    }
+}
diff --git a/bigtable/test/bigtableTest.php b/bigtable/test/bigtableTest.php
index 3c709edcd6..33e6cbeeff 100644
--- a/bigtable/test/bigtableTest.php
+++ b/bigtable/test/bigtableTest.php
@@ -2,42 +2,23 @@
 
 namespace Google\Cloud\Samples\Bigtable\Tests;
 
-use Google\Cloud\Bigtable\BigtableClient;
-use PHPUnit\Framework\TestCase;
-
-use Google\Cloud\Bigtable\Admin\V2\BigtableInstanceAdminClient;
-use Google\Cloud\Bigtable\Admin\V2\BigtableTableAdminClient;
-use Google\Cloud\TestUtils\ExponentialBackoffTrait;
-use Google\Cloud\Bigtable\Admin\V2\Table\View;
-use Google\Cloud\TestUtils\TestTrait;
 use Google\ApiCore\ApiException;
+use Google\Cloud\Bigtable\Admin\V2\Table\View;
+use PHPUnit\Framework\TestCase;
 
 final class BigtableTest extends TestCase
 {
-    use TestTrait, ExponentialBackoffTrait;
+    use BigtableTestTrait;
 
     const INSTANCE_ID_PREFIX = 'php-instance-';
     const CLUSTER_ID_PREFIX = 'php-cluster-';
     const TABLE_ID_PREFIX = 'php-table-';
-    private static $instanceAdminClient;
-    private static $tableAdminClient;
-    private static $bigtableClient;
-    private static $instanceId;
+
     private static $clusterId;
 
     public static function setUpBeforeClass()
     {
-        self::checkProjectEnvVarBeforeClass();
-        self::$instanceAdminClient = new BigtableInstanceAdminClient();
-        self::$tableAdminClient = new BigtableTableAdminClient();
-        self::$bigtableClient = new BigtableClient([
-            'projectId' => self::$projectId,
-        ]);
-
-        self::$instanceId = uniqid(self::INSTANCE_ID_PREFIX);
-        self::$clusterId = uniqid(self::CLUSTER_ID_PREFIX);
-
-        self::create_production_instance(self::$projectId, self::$instanceId, self::$clusterId);
+        self::setUpBigtableVars();
     }
 
     public function setUp()
@@ -45,8 +26,31 @@ public function setUp()
         $this->useResourceExhaustedBackoff();
     }
 
+    public function testCreateProductionInstance()
+    {
+        self::$instanceId = uniqid(self::INSTANCE_ID_PREFIX);
+        self::$clusterId = uniqid(self::CLUSTER_ID_PREFIX);
+
+        $content = self::runSnippet('create_production_instance', [
+            self::$projectId,
+            self::$instanceId,
+            self::$clusterId
+        ]);
+
+        $instanceName = self::$instanceAdminClient->instanceName(
+            self::$projectId,
+            self::$instanceId
+        );
+
+        $this->checkInstance($instanceName);
+    }
+
+    /**
+     * @depends testCreateProductionInstance
+     */
     public function testCreateAndDeleteCluster()
     {
+        // Create a new cluster as last cluster in an instance cannot be deleted
         $clusterId = uniqid(self::CLUSTER_ID_PREFIX);
 
         $content = self::runSnippet('create_cluster', [
@@ -57,7 +61,11 @@ public function testCreateAndDeleteCluster()
         ]);
         $array = explode(PHP_EOL, $content);
 
-        $clusterName = self::$instanceAdminClient->clusterName(self::$projectId, self::$instanceId, $clusterId);
+        $clusterName = self::$instanceAdminClient->clusterName(
+            self::$projectId,
+            self::$instanceId,
+            $clusterId
+        );
 
         $this->checkCluster($clusterName);
 
@@ -95,23 +103,9 @@ public function testCreateDevInstance()
         $this->cleanInstance(self::$projectId, $instanceId);
     }
 
-    public function testCreateProductionInstance()
-    {
-        $instanceId = uniqid(self::INSTANCE_ID_PREFIX);
-        $clusterId = uniqid(self::CLUSTER_ID_PREFIX);
-
-        $content = self::runSnippet('create_production_instance', [
-            self::$projectId,
-            $instanceId,
-            $clusterId
-        ]);
-
-        $instanceName = self::$instanceAdminClient->instanceName(self::$projectId, $instanceId);
-
-        $this->checkInstance($instanceName);
-        $this->cleanInstance(self::$projectId, $instanceId);
-    }
-
+    /**
+     * @depends testCreateProductionInstance
+     */
     public function testListInstances()
     {
         $content = self::runSnippet('list_instance', [
@@ -125,6 +119,9 @@ public function testListInstances()
         $this->assertContains(self::$instanceId, $array);
     }
 
+    /**
+     * @depends testCreateProductionInstance
+     */
     public function testListTable()
     {
         $tableId = uniqid(self::TABLE_ID_PREFIX);
@@ -141,6 +138,9 @@ public function testListTable()
         $this->assertContains('projects/' . self::$projectId . '/instances/' . self::$instanceId . '/tables/' . $tableId, $array);
     }
 
+    /**
+     * @depends testCreateProductionInstance
+     */
     public function testListColumnFamilies()
     {
         $tableId = uniqid(self::TABLE_ID_PREFIX);
@@ -166,6 +166,9 @@ public function testListColumnFamilies()
         $this->assertContains('{"gcRule":{"union":{"rules":[{"maxNumVersions":2},{"maxAge":"432000s"}]}}}', $array);
     }
 
+    /**
+     * @depends testCreateProductionInstance
+     */
     public function testListInstanceClusters()
     {
         $content = self::runSnippet('list_instance_clusters', [
@@ -179,7 +182,10 @@ public function testListInstanceClusters()
         $this->assertContains('projects/' . self::$projectId . '/instances/' . self::$instanceId . '/clusters/' . self::$clusterId, $array);
     }
 
-    public function testcreate_table()
+    /**
+     * @depends testCreateProductionInstance
+     */
+    public function testCreateTable()
     {
         $tableId = uniqid(self::TABLE_ID_PREFIX);
 
@@ -194,6 +200,9 @@ public function testcreate_table()
         $this->checkTable($tableName);
     }
 
+    /**
+     * @depends testCreateProductionInstance
+     */
     public function testCreateFamilyGcUnion()
     {
         $tableId = uniqid(self::TABLE_ID_PREFIX);
@@ -226,6 +235,9 @@ public function testCreateFamilyGcUnion()
         $this->checkRule($tableName, 'cf3', $gcRuleCompare);
     }
 
+    /**
+     * @depends testCreateProductionInstance
+     */
     public function testCreateFamilyGcNested()
     {
         $tableId = uniqid(self::TABLE_ID_PREFIX);
@@ -267,6 +279,9 @@ public function testCreateFamilyGcNested()
         $this->checkRule($tableName, 'cf5', $gcRuleCompare);
     }
 
+    /**
+     * @depends testCreateProductionInstance
+     */
     public function testCreateFamilyGcMaxVersions()
     {
         $tableId = uniqid(self::TABLE_ID_PREFIX);
@@ -290,6 +305,9 @@ public function testCreateFamilyGcMaxVersions()
         $this->checkRule($tableName, 'cf2', $gcRuleCompare);
     }
 
+    /**
+     * @depends testCreateProductionInstance
+     */
     public function testCreateFamilyGcMaxAge()
     {
         $tableId = uniqid(self::TABLE_ID_PREFIX);
@@ -313,6 +331,9 @@ public function testCreateFamilyGcMaxAge()
         $this->checkRule($tableName, 'cf1', $gcRuleCompare);
     }
 
+    /**
+     * @depends testCreateProductionInstance
+     */
     public function testCreateFamilyGcIntersection()
     {
         $tableId = uniqid(self::TABLE_ID_PREFIX);
@@ -345,6 +366,9 @@ public function testCreateFamilyGcIntersection()
         $this->checkRule($tableName, 'cf4', $gcRuleCompare);
     }
 
+    /**
+     * @depends testCreateProductionInstance
+     */
     public function testDeleteTable()
     {
         $tableId = uniqid(self::TABLE_ID_PREFIX);
@@ -369,6 +393,9 @@ public function testDeleteTable()
         }
     }
 
+    /**
+     * @depends testCreateProductionInstance
+     */
     public function testHelloWorld()
     {
         $this->requireGrpc();
@@ -395,15 +422,9 @@ public function testHelloWorld()
         $this->assertContains(sprintf('Deleted %s table.', $tableId), $array);
     }
 
-    private static function create_production_instance($projectId, $instanceId, $clusterId)
-    {
-        $content = self::runSnippet('create_production_instance', [
-            $projectId,
-            $instanceId,
-            $clusterId
-        ]);
-    }
-
+    /**
+     * @depends testCreateProductionInstance
+     */
     public function testDeleteInstance()
     {
         $instanceName = self::$instanceAdminClient->instanceName(self::$projectId, self::$instanceId);
diff --git a/bigtable/test/filterTest.php b/bigtable/test/filterTest.php
index eb0663bfd8..d51e7550ab 100644
--- a/bigtable/test/filterTest.php
+++ b/bigtable/test/filterTest.php
@@ -18,69 +18,32 @@
 
 namespace Google\Cloud\Samples\Bigtable\Tests;
 
-use Google\Cloud\Bigtable\Admin\V2\BigtableInstanceAdminClient;
-use Google\Cloud\Bigtable\Admin\V2\BigtableTableAdminClient;
-use Google\Cloud\Bigtable\Admin\V2\ColumnFamily;
-use Google\Cloud\Bigtable\Admin\V2\Table;
-use Google\Cloud\Bigtable\BigtableClient;
 use Google\Cloud\Bigtable\Mutations;
-use Google\Cloud\TestUtils\ExponentialBackoffTrait;
-use Google\Cloud\TestUtils\TestTrait;
 use PHPUnit\Framework\TestCase;
 
 final class FilterTest extends TestCase
 {
-    use TestTrait;
-    use ExponentialBackoffTrait;
+    use BigtableTestTrait;
 
     const INSTANCE_ID_PREFIX = 'phpunit-test-';
     const TABLE_ID_PREFIX = 'mobile-time-series-';
 
-    private static $bigtableInstanceAdminClient;
-    private static $bigtableTableAdminClient;
-    private static $instanceId;
-    private static $tableId;
     private static $timestampMicros;
     private static $timestampMicrosMinusHr;
 
     public static function setUpBeforeClass(): void
     {
         self::requireGrpc();
-        self::checkProjectEnvVarBeforeClass();
-
-        self::$bigtableInstanceAdminClient = new BigtableInstanceAdminClient();
-        self::$bigtableTableAdminClient = new BigtableTableAdminClient();
-        self::$instanceId = uniqid(self::INSTANCE_ID_PREFIX);
-        self::runSnippet('create_dev_instance', [
-            self::$projectId,
-            self::$instanceId,
-            self::$instanceId,
+        self::setUpBigtableVars();
+        self::$instanceId = self::createDevInstance(self::INSTANCE_ID_PREFIX);
+        self::$tableId = self::createTable(self::TABLE_ID_PREFIX, [
+            'cell_plan',
+            'stats_summary',
         ]);
 
-        self::$tableId = uniqid(self::TABLE_ID_PREFIX);
-
-        $formattedParent = self::$bigtableTableAdminClient
-            ->instanceName(self::$projectId, self::$instanceId);
-        $table = (new Table())
-            ->setColumnFamilies([
-                "stats_summary" => new ColumnFamily(),
-                "cell_plan" => new ColumnFamily()
-            ]);
-        self::$bigtableTableAdminClient->createtable(
-            $formattedParent,
-            self::$tableId,
-            $table
-        );
-
-        $dataClient = new BigtableClient([
-            'projectId' => self::$projectId,
-        ]);
-
-        $table = $dataClient->table(self::$instanceId, self::$tableId);
-
         self::$timestampMicros = time() * 1000 * 1000;
         self::$timestampMicrosMinusHr = (time() - 60 * 60) * 1000 * 1000;
-        $table->mutateRows([
+        self::$bigtableClient->table(self::$instanceId, self::$tableId)->mutateRows([
             "phone#4c410523#20190501" => (new Mutations())
                 ->upsert('cell_plan', "data_plan_01gb", true, self::$timestampMicrosMinusHr)
                 ->upsert('cell_plan', "data_plan_01gb", false, self::$timestampMicros)
@@ -118,8 +81,7 @@ public function setUp(): void
 
     public static function tearDownAfterClass(): void
     {
-        $instanceName = self::$bigtableInstanceAdminClient->instanceName(self::$projectId, self::$instanceId);
-        self::$bigtableInstanceAdminClient->deleteInstance($instanceName);
+        self::deleteBigtableInstance();
     }
 
     /**
diff --git a/bigtable/test/readTest.php b/bigtable/test/readTest.php
index 47484316bb..df9c911b16 100644
--- a/bigtable/test/readTest.php
+++ b/bigtable/test/readTest.php
@@ -18,63 +18,27 @@
 
 namespace Google\Cloud\Samples\Bigtable\Tests;
 
-use Google\Cloud\Bigtable\Admin\V2\BigtableInstanceAdminClient;
-use Google\Cloud\Bigtable\Admin\V2\BigtableTableAdminClient;
-use Google\Cloud\Bigtable\Admin\V2\ColumnFamily;
-use Google\Cloud\Bigtable\Admin\V2\Table;
-use Google\Cloud\Bigtable\BigtableClient;
 use Google\Cloud\Bigtable\Mutations;
-use Google\Cloud\TestUtils\ExponentialBackoffTrait;
-use Google\Cloud\TestUtils\TestTrait;
 use PHPUnit\Framework\TestCase;
 
 final class ReadTest extends TestCase
 {
-    use TestTrait;
-    use ExponentialBackoffTrait;
+    use BigtableTestTrait;
 
     const INSTANCE_ID_PREFIX = 'phpunit-test-';
     const TABLE_ID_PREFIX = 'mobile-time-series-';
 
-    private static $bigtableInstanceAdminClient;
-    private static $bigtableTableAdminClient;
-    private static $instanceId;
-    private static $tableId;
     private static $timestampMicros;
 
     public static function setUpBeforeClass(): void
     {
         self::requireGrpc();
-        self::checkProjectEnvVarBeforeClass();
-
-        self::$bigtableInstanceAdminClient = new BigtableInstanceAdminClient();
-        self::$bigtableTableAdminClient = new BigtableTableAdminClient();
-        self::$instanceId = uniqid(self::INSTANCE_ID_PREFIX);
-        self::runSnippet('create_dev_instance', [
-            self::$projectId,
-            self::$instanceId,
-            self::$instanceId,
-        ]);
-
-        self::$tableId = uniqid(self::TABLE_ID_PREFIX);
-
-        $formattedParent = self::$bigtableTableAdminClient
-            ->instanceName(self::$projectId, self::$instanceId);
-        $table = (new Table())->setColumnFamilies(["stats_summary" => new ColumnFamily()]);
-        self::$bigtableTableAdminClient->createtable(
-            $formattedParent,
-            self::$tableId,
-            $table
-        );
-
-        $dataClient = new BigtableClient([
-            'projectId' => self::$projectId,
-        ]);
-
-        $table = $dataClient->table(self::$instanceId, self::$tableId);
+        self::setUpBigtableVars();
+        self::$instanceId = self::createDevInstance(self::INSTANCE_ID_PREFIX);
+        self::$tableId = self::createTable(self::TABLE_ID_PREFIX);
 
         self::$timestampMicros = time() * 1000 * 1000;
-        $table->mutateRows([
+        self::$bigtableClient->table(self::$instanceId, self::$tableId)->mutateRows([
             "phone#4c410523#20190501" => (new Mutations())
                 ->upsert('stats_summary', "connected_cell", 1, self::$timestampMicros)
                 ->upsert('stats_summary', "connected_wifi", 1, self::$timestampMicros)
@@ -105,8 +69,7 @@ public function setUp(): void
 
     public static function tearDownAfterClass(): void
     {
-        $instanceName = self::$bigtableInstanceAdminClient->instanceName(self::$projectId, self::$instanceId);
-        self::$bigtableInstanceAdminClient->deleteInstance($instanceName);
+        self::deleteBigtableInstance();
     }
 
     /**
diff --git a/bigtable/test/writeTest.php b/bigtable/test/writeTest.php
index 0266b20875..67eaa5ef4a 100644
--- a/bigtable/test/writeTest.php
+++ b/bigtable/test/writeTest.php
@@ -18,50 +18,20 @@
 
 namespace Google\Cloud\Samples\Bigtable\Tests;
 
-use Google\Cloud\Bigtable\Admin\V2\BigtableInstanceAdminClient;
-use Google\Cloud\Bigtable\Admin\V2\ColumnFamily;
 use PHPUnit\Framework\TestCase;
 
-use Google\Cloud\Bigtable\Admin\V2\BigtableTableAdminClient;
-use Google\Cloud\Bigtable\Admin\V2\Table;
-use Google\Cloud\TestUtils\TestTrait;
-use Google\Cloud\TestUtils\ExponentialBackoffTrait;
-
 final class WriteTest extends TestCase
 {
-    use TestTrait;
-    use ExponentialBackoffTrait;
+    use BigtableTestTrait;
 
     const INSTANCE_ID_PREFIX = 'phpunit-test-';
     const TABLE_ID_PREFIX = 'mobile-time-series-';
-    private static $bigtableInstanceAdminClient;
-    private static $bigtableTableAdminClient;
-    private static $instanceId;
-    private static $tableId;
 
     public static function setUpBeforeClass(): void
     {
-        self::checkProjectEnvVarBeforeClass();
-
-        self::$bigtableInstanceAdminClient = new BigtableInstanceAdminClient();
-        self::$bigtableTableAdminClient = new BigtableTableAdminClient();
-        self::$instanceId = uniqid(self::INSTANCE_ID_PREFIX);
-        self::runSnippet('create_dev_instance', [
-            self::$projectId,
-            self::$instanceId,
-            self::$instanceId,
-        ]);
-
-        self::$tableId = uniqid(self::TABLE_ID_PREFIX);
-
-        $formattedParent = self::$bigtableTableAdminClient
-            ->instanceName(self::$projectId, self::$instanceId);
-        $table = (new Table())->setColumnFamilies(["stats_summary" => new ColumnFamily()]);
-        self::$bigtableTableAdminClient->createtable(
-            $formattedParent,
-            self::$tableId,
-            $table
-        );
+        self::setUpBigtableVars();
+        self::$instanceId = self::createDevInstance(self::INSTANCE_ID_PREFIX);
+        self::$tableId = self::createTable(self::TABLE_ID_PREFIX);
     }
 
     public function setUp(): void
@@ -71,8 +41,7 @@ public function setUp(): void
 
     public static function tearDownAfterClass(): void
     {
-        $instanceName = self::$bigtableInstanceAdminClient->instanceName(self::$projectId, self::$instanceId);
-        self::$bigtableInstanceAdminClient->deleteInstance($instanceName);
+        self::deleteBigtableInstance();
     }
 
     public function testWriteSimple()