minimize table size to increase failing probability for removeAll

Author: lycoris106

nondex-test/src/test/java/edu/illinois/nondex/core/IdentityHashMapTest.java

@@ -41,8 +41,8 @@ public class IdentityHashMapTest {
     // Added test coverage for IdentityHashMap.removeAll iterator behavior
     @Test
     public void testRemoveAllArrayIndexOutOfBounds() {
-        for (int i = 0; i < 10_000; i++) {
-            IdentityHashMap<Object, Object> map = new IdentityHashMap<>();
+        for (int i = 0; i < 100; i++) {
+            IdentityHashMap<Object, Object> map = new IdentityHashMap<>(4);
 
             Object k1 = new Object();
             Object k2 = new Object();