Fixed format

Author: javadev

src/test/kotlin/g3401_3500/s3470_permutations_iv/SolutionTest.kt

@@ -1,36 +1,36 @@
 package g3401_3500.s3470_permutations_iv
 
-import org.hamcrest.CoreMatchers
-import org.hamcrest.MatcherAssert
+import org.hamcrest.CoreMatchers.equalTo
+import org.hamcrest.MatcherAssert.assertThat
 import org.junit.jupiter.api.Test
 
 internal class SolutionTest {
     @Test
     fun permute() {
-        MatcherAssert.assertThat<IntArray?>(
+        assertThat<IntArray>(
             Solution().permute(4, 6L),
-            CoreMatchers.equalTo<IntArray?>(intArrayOf(3, 4, 1, 2)),
+            equalTo<IntArray>(intArrayOf(3, 4, 1, 2)),
         )
     }
 
     @Test
     fun permute2() {
-        MatcherAssert.assertThat<IntArray?>(
+        assertThat<IntArray>(
             Solution().permute(3, 2L),
-            CoreMatchers.equalTo<IntArray?>(intArrayOf(3, 2, 1)),
+            equalTo<IntArray>(intArrayOf(3, 2, 1)),
         )
     }
 
     @Test
     fun permute3() {
-        MatcherAssert.assertThat<IntArray?>(Solution().permute(2, 3L), CoreMatchers.equalTo<IntArray?>(intArrayOf()))
+        assertThat<IntArray>(Solution().permute(2, 3L), equalTo<IntArray>(intArrayOf()))
     }
 
     @Test
     fun permute4() {
-        MatcherAssert.assertThat<IntArray?>(
+        assertThat<IntArray>(
             Solution().permute(43, 142570305460935L),
-            CoreMatchers.equalTo<IntArray?>(
+            equalTo<IntArray>(
                 intArrayOf(
                     1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20,
                     21, 22, 43, 40, 27, 36, 25, 34, 31, 32, 29, 28, 33, 24, 23, 26, 41, 42,