Renamed test 715

Author: javadev

src/test/java/g0701_0800/s0715_range_module/SolutionTest.java renamed to src/test/java/g0701_0800/s0715_range_module/RangeModuleTest.java

@@ -5,7 +5,7 @@
 
 import org.junit.jupiter.api.Test;
 
-class SolutionTest {
+class RangeModuleTest {
     @Test
     void solutionTest() {
         RangeModule rangeModule = new RangeModule();