Fix shouldWrapInRuntimeExWhenUsingUnchecked test relying on internal implementation details (#209)

Author: pivovarit

src/test/java/com/pivovarit/function/ThrowingIntFunctionTest.java

@@ -17,6 +17,7 @@
 class ThrowingIntFunctionTest {
 
     private static final String EXPECTED_MESSAGE = "Oh no! " + UUID.randomUUID();
+
     private static final ThrowingIntFunction<String, Exception> THROWS_CHECKED = i -> {
         throw new Exception(EXPECTED_MESSAGE);
     };
@@ -54,7 +55,7 @@ void shouldWrapInRuntimeEx() {
 
     @Test
     void shouldWrapInRuntimeExWhenUsingUnchecked() {
-        assertThatThrownBy(() -> IntStream.of(1).mapToObj(unchecked(THROWS_CHECKED)).count())
+        assertThatThrownBy(() -> IntStream.of(1).mapToObj(unchecked(THROWS_CHECKED)).toArray())
                 .isInstanceOf(WrappedException.class)
                 .hasMessage(EXPECTED_MESSAGE)
                 .hasCauseInstanceOf(Exception.class);
@@ -76,4 +77,4 @@ void shouldWrapInOptionalWhenUsingStandardUtilsFunctions() {
         assertThat(result).isZero();
     }
 
-}
+}