Define STREAM parameter locally on tests

src/test/java/gr/james/sampling/RandomSamplingTest.java

@@ -17,7 +17,6 @@ public class RandomSamplingTest {
 
     private static final Random RANDOM = new Random();
 
-    private static final int STREAM = 20;
     private static final int SAMPLE = 10;
     private static final int REPS = 1000000;
 
@@ -40,10 +39,12 @@ public static Collection<Supplier<RandomSampling<Integer>>> implementations() {
     }
 
     /**
-     * All items must be selected with equal probability.
+     * All items must be selected with equal probability. Using 20 stream elements.
      */
     @Test
-    public void correctness() {
+    public void correctness20() {
+        final int STREAM = 20;
+
         final int[] d = new int[STREAM];
 
         for (int reps = 0; reps < REPS; reps++) {
@@ -66,10 +67,12 @@ public void correctness() {
     }
 
     /**
-     * Same test as {@link #correctness()} but with the stream API.
+     * Same test as {@link #correctness20()} but with the stream API. Using 20 stream elements.
      */
     @Test
-    public void stream() {
+    public void stream20() {
+        final int STREAM = 20;
+
         final int[] d = new int[STREAM];
 
         for (int reps = 0; reps < REPS; reps++) {

src/test/java/gr/james/sampling/WeightedRandomSamplingTest.java

@@ -18,7 +18,6 @@ public class WeightedRandomSamplingTest {
 
     private static final Random RANDOM = new Random();
 
-    private static final int STREAM = 20;
     private static final int SAMPLE = 10;
     private static final int REPS = 1000000;
 
@@ -37,10 +36,12 @@ public static Collection<Supplier<WeightedRandomSampling<Integer>>> implementati
     }
 
     /**
-     * Increased weight means more occurrences.
+     * Increased weight means more occurrences. Using 20 stream elements.
      */
     @Test
-    public void correctness() {
+    public void correctness20() {
+        final int STREAM = 20;
+
         final int[] d = new int[STREAM];
 
         for (int reps = 0; reps < REPS; reps++) {
@@ -61,10 +62,12 @@ public void correctness() {
     }
 
     /**
-     * Same test as {@link #correctness()} but with the stream API.
+     * Same test as {@link #correctness20()} but with the stream API. Using 20 stream elements.
      */
     @Test
-    public void stream() {
+    public void stream20() {
+        final int STREAM = 20;
+
         final int[] d = new int[STREAM];
 
         for (int reps = 0; reps < REPS; reps++) {