unit test: more descriptive failure message

common.gradle

@@ -51,6 +51,12 @@ javadoc {
     }
 }
 
+test {
+    testLogging {
+        exceptionFormat = 'full'
+    }
+}
+
 task sourcesJar(type: Jar, dependsOn: classes, description: 'Creates a jar from the source files.') {
     classifier = 'sources'
     from sourceSets*.allSource

jme3-core/src/test/java/com/jme3/material/MaterialMatParamOverrideTest.java

@@ -520,7 +520,7 @@ public class MaterialMatParamOverrideTest {
     }
 
     private void outUniforms(Uniform... uniforms) {
-        HashSet<Uniform> actualUniforms = new HashSet<Uniform>();
+        HashSet<Uniform> actualUniforms = new HashSet<>();
 
         for (Uniform uniform : usedShader.getUniformMap().values()) {
             if (uniform.getName().startsWith("m_")
@@ -529,11 +529,10 @@ public class MaterialMatParamOverrideTest {
             }
         }
 
-        HashSet<Uniform> expectedUniforms = new HashSet<Uniform>(Arrays.asList(uniforms));
+        HashSet<Uniform> expectedUniforms = new HashSet<>(Arrays.asList(uniforms));
 
         if (!expectedUniforms.equals(actualUniforms)) {
-            System.out.println(expectedUniforms + " != " + actualUniforms);
-            Assert.fail("Uniform lists must match");
+            Assert.fail("Uniform lists must match: " + expectedUniforms + " != " + actualUniforms);
         }
     }
 }

jme3-core/src/test/java/com/jme3/scene/MPOTestUtils.java

@@ -35,7 +35,6 @@ import com.jme3.material.MatParamOverride;
 import com.jme3.math.Matrix4f;
 import com.jme3.renderer.Camera;
 import com.jme3.shader.VarType;
-import static com.jme3.shader.VarType.Texture2D;
 import com.jme3.texture.Texture2D;
 import java.lang.reflect.Field;
 import java.util.HashSet;