Added some new tests for Java API

modules/java/android_test/src/org/opencv/test/calib3d/calib3dTest.java

@@ -10,7 +10,6 @@ import org.opencv.core.Point3;
 import org.opencv.core.Scalar;
 import org.opencv.core.Size;
 import org.opencv.test.OpenCVTestCase;
-import org.opencv.test.OpenCVTestRunner;
 
 import java.util.ArrayList;
 import java.util.List;

modules/java/android_test/src/org/opencv/test/objdetect/HOGDescriptorTest.java

@@ -192,7 +192,7 @@ public class HOGDescriptorTest extends OpenCVTestCase {
     public void testHOGDescriptor() {
         HOGDescriptor hog = new HOGDescriptor();
 
-        assertTrue(null != hog);
+        assertNotNull(hog);
         assertEquals(HOGDescriptor.DEFAULT_NLEVELS, hog.get_nlevels());
     }
 

modules/java/android_test/src/org/opencv/test/video/KalmanFilterTest.java

 package org.opencv.test.video;
 
 import org.opencv.test.OpenCVTestCase;
+import org.opencv.video.KalmanFilter;
 
 public class KalmanFilterTest extends OpenCVTestCase {
 
-	protected void setUp() throws Exception {
-		super.setUp();
-	}
+    protected void setUp() throws Exception {
+        super.setUp();
+    }
 
-	public void testCorrect() {
-		fail("Not yet implemented");
-	}
+    public void testCorrect() {
+        fail("Not yet implemented");
+    }
 
-	public void testKalmanFilter() {
-		fail("Not yet implemented");
-	}
+    public void testKalmanFilter() {
+        KalmanFilter kf = new KalmanFilter();
 
-	public void testKalmanFilterIntInt() {
-		fail("Not yet implemented");
-	}
+        assertNotNull(kf);
+    }
 
-	public void testKalmanFilterIntIntInt() {
-		fail("Not yet implemented");
-	}
+    public void testKalmanFilterIntInt() {
+        fail("Not yet implemented");
+    }
 
-	public void testKalmanFilterIntIntIntInt() {
-		fail("Not yet implemented");
-	}
+    public void testKalmanFilterIntIntInt() {
+        fail("Not yet implemented");
+    }
 
-	public void testPredict() {
-		fail("Not yet implemented");
-	}
+    public void testKalmanFilterIntIntIntInt() {
+        fail("Not yet implemented");
+    }
 
-	public void testPredictMat() {
-		fail("Not yet implemented");
-	}
+    public void testPredict() {
+        fail("Not yet implemented");
+    }
+
+    public void testPredictMat() {
+        fail("Not yet implemented");
+    }
 
 }