#1134 extra test

Author: yegor256

pom.xml

@@ -96,6 +96,7 @@ SOFTWARE.
   <properties>
     <timestamp>${maven.build.timestamp}</timestamp>
     <jdk.version>1.8</jdk.version>
+    <argLine/>
   </properties>
   <dependencies>
     <!--
@@ -120,7 +121,7 @@ SOFTWARE.
     <dependency>
       <groupId>xml-apis</groupId>
       <artifactId>xml-apis</artifactId>
-      <version>2.0.2</version>
+      <version>1.0.b2</version>
       <scope>provided</scope>
     </dependency>
     <dependency>
@@ -335,8 +336,8 @@ SOFTWARE.
         <configuration>
           <excludedGroups>org.takes.misc.PerformanceTests</excludedGroups>
           <systemPropertyVariables>
+            <argLine>${argLine} -Dfile.encoding=UTF-8</argLine>
             <java.awt.headless>true</java.awt.headless>
-            <file.encoding>UTF-8</file.encoding>
             <user.language>en</user.language>
             <user.country>US</user.country>
             <javax.net.ssl.keyStore>${project.build.directory}/test-classes/org/takes/http/keystore</javax.net.ssl.keyStore>

src/test/java/org/takes/rs/RsGzipTest.java

@@ -70,8 +70,10 @@ void makesCompressedResponse() throws IOException {
      */
     @Test
     void makesCompressedPngImage() throws IOException {
+        final int width = 42;
+        final int height = 256;
         final RenderedImage image = new BufferedImage(
-            1, 1, BufferedImage.TYPE_INT_ARGB
+            width, height, BufferedImage.TYPE_INT_ARGB
         );
         final ByteArrayOutputStream baos = new ByteArrayOutputStream();
         ImageIO.write(image, "png", baos);
@@ -84,7 +86,8 @@ void makesCompressedPngImage() throws IOException {
                 ).body()
             )
         );
-        MatcherAssert.assertThat(reverse.getHeight(), Matchers.equalTo(1));
+        MatcherAssert.assertThat(reverse.getWidth(), Matchers.equalTo(width));
+        MatcherAssert.assertThat(reverse.getHeight(), Matchers.equalTo(height));
     }
 
     /**