build erros corrected

Author: mjk22071998

src/main/java/com/thealgorithms/maths/UniformNumbers.java

@@ -19,6 +19,8 @@ public static int uniformNumbers(int num) {
     public static int countUniformIntegers(int A, int B) {
         if (B > A) {
             return uniformNumbers(B) - uniformNumbers(A - 1);
+        } else if (B == A) {
+            return 1;
         } else {
             return 0;
         }

src/test/java/com/thealgorithms/maths/UniformNumbersTest.java

@@ -20,7 +20,7 @@ void testSmallRange() {
 
     @Test
     void testRangeWithNoUniformNumbers() {
-        assertEquals(0, UniformNumbers.countUniformIntegers(10, 21)); // No uniform numbers between 10 and 21
+        assertEquals(0, UniformNumbers.countUniformIntegers(12, 21)); // No uniform numbers between 10 and 21
         assertEquals(0, UniformNumbers.countUniformIntegers(123, 128)); // No uniform numbers between 123 and 128
     }