chore: fix build warnings (#1297)

* fix build warnings

* check requires http

* blank line before package

samples/snippets/pom.xml

@@ -15,6 +15,7 @@
     <groupId>com.google.cloud.samples</groupId>
     <artifactId>shared-configuration</artifactId>
     <version>1.0.21</version>
+    <relativePath></relativePath>
   </parent>
 
   <properties>
@@ -60,12 +61,6 @@
       <version>1.1.2</version>
       <scope>test</scope>
     </dependency>
-    <dependency>
-      <groupId>com.google.http-client</groupId>
-      <artifactId>google-http-client-gson</artifactId>
-      <version>1.39.0</version>
-      <scope>test</scope>
-    </dependency>
     <!-- END_EXCLUDE -->
   </dependencies>
   <!-- [END google_http_client_install_with_bom] -->

samples/snippets/src/main/java/com/example/json/YouTubeSample.java

@@ -5,14 +5,15 @@
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
- *    https://www.apache.org/licenses/LICENSE-2.0
+ *    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.
  */
+
 package com.example.json;
 
 import com.google.api.client.http.HttpResponse;

samples/snippets/src/test/java/com/example/json/YouTubeSampleTest.java

@@ -5,16 +5,24 @@
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
- *    https://www.apache.org/licenses/LICENSE-2.0
+ *    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.
  */
+
 package com.example.json;
 
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.Map;
+import org.junit.Test;
 import com.google.api.client.http.HttpRequest;
 import com.google.api.client.http.HttpResponse;
 import com.google.api.client.http.HttpTransport;
@@ -28,14 +36,6 @@
 import com.google.api.client.testing.http.MockLowLevelHttpRequest;
 import com.google.api.client.testing.http.MockLowLevelHttpResponse;
 import com.google.common.base.Preconditions;
-import org.junit.Test;
-
-import java.io.IOException;
-import java.io.InputStream;
-import java.util.Map;
-
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertNotNull;
 
 public class YouTubeSampleTest {