removed dependency from kotlin

src/test/java/net/woggioni/jzstd/BasicTest.java

@@ -17,21 +17,20 @@ import java.security.MessageDigest;
 import java.util.stream.Stream;
 
 
-class InputStreamProvider implements ArgumentsProvider {
-
-    @Override
-    @SneakyThrows
-    public Stream<? extends Arguments> provideArguments(ExtensionContext context) {
-        return Stream.of(
-            Arguments.of(getClass().getResourceAsStream("/index.html")),
-            Arguments.of(Files.newInputStream(Paths.get("/tmp/citylots.json")))
-        );
-    }
-}
-
-
 public class BasicTest {
 
+    private static class InputStreamProvider implements ArgumentsProvider {
+
+        @Override
+        @SneakyThrows
+        public Stream<? extends Arguments> provideArguments(ExtensionContext context) {
+            return Stream.of(
+                    Arguments.of(getClass().getResourceAsStream("/index.html")),
+                    Arguments.of(Files.newInputStream(Paths.get("/tmp/citylots.json")))
+            );
+        }
+    }
+
     @SneakyThrows
     @ParameterizedTest
     @ArgumentsSource(InputStreamProvider.class)