Renamed test 715

Author: javadev

src/test/kotlin/g0701_0800/s0715_range_module/SolutionTest.kt renamed to src/test/kotlin/g0701_0800/s0715_range_module/RangeModuleTest.kt

@@ -4,7 +4,7 @@ import org.hamcrest.CoreMatchers.equalTo
 import org.hamcrest.MatcherAssert.assertThat
 import org.junit.jupiter.api.Test
 
-internal class SolutionTest {
+internal class RangeModuleTest {
     @Test
     fun solutionTest() {
         val rangeModule = RangeModule()