add test pair

vlib/v/tests/skip_unused/assert_of_sumtype_values_works_test.run.out

@@ -0,0 +1,10 @@
+vlib/v/tests/skip_unused/assert_of_sumtype_values_works_test.vv:5: fn test_ab
+   > assert a == b
+     Left value (len: 6): `Sum(1)`
+    Right value (len: 6): `Sum(2)`
+
+vlib/v/tests/skip_unused/assert_of_sumtype_values_works_test.vv:9: fn test_sumtype_literals
+   > assert main.Sum(1) == main.Sum(2)
+     Left value (len: 11): `main.Sum(1)`
+    Right value (len: 11): `main.Sum(2)`
+

vlib/v/tests/skip_unused/assert_of_sumtype_values_works_test.skip_unused.run.out

@@ -0,0 +1,10 @@
+vlib/v/tests/skip_unused/assert_of_sumtype_values_works_test.vv:5: fn test_ab
+   > assert a == b
+     Left value (len: 6): `Sum(1)`
+    Right value (len: 6): `Sum(2)`
+
+vlib/v/tests/skip_unused/assert_of_sumtype_values_works_test.vv:9: fn test_sumtype_literals
+   > assert main.Sum(1) == main.Sum(2)
+     Left value (len: 11): `main.Sum(1)`
+    Right value (len: 11): `main.Sum(2)`
+

vlib/v/tests/skip_unused/assert_of_sumtype_values_works_test.vv

@@ -0,0 +1,10 @@
+type Sum = int | string
+
+fn test_ab() {
+	a, b := Sum(1), Sum(2)
+	assert a == b
+}
+
+fn test_sumtype_literals() {
+	assert Sum(1) == Sum(2)
+}