Update EMAFilterTest.java

Remove trailing spaces

Author: Shreya123714

src/test/java/com/thealgorithms/audiofilters/EMAFilterTest.java

@@ -36,12 +36,9 @@ public void testAlphaBounds() {
 
         // Minimal smoothing (alpha close to 0)
         double[] resultMin = emaFilterMin.apply(audioSignal);
-        
         assertArrayEquals(audioSignal, resultMin, 1e-5);
-        
         // Maximum smoothing (alpha = 1, output should match input)
         double[] resultMax = emaFilterMax.apply(audioSignal);
-
         assertArrayEquals(audioSignal, resultMax, 1e-5);
     }
 }