Ignore one harmless test failure on s390x and one OOM issue on i686

rust-ahash.spec

@@ -176,8 +176,19 @@ rm tests/{bench.rs,map_tests.rs}
 
 %if %{with check}
 %check
+%ifarch x86_64 aarch64 ppc64le
 %cargo_test
 %endif
+%ifarch %{ix86}
+# * skip tests that cannot allocate enough memory
+%cargo_test -- -- --skip hash_quality_test::fallback_tests::fallback_test_no_full_collisions
+%endif
+%ifarch s390x
+# * one test fails only on s390x:
+#   https://github.com/tkaitchuck/aHash/issues/152
+%cargo_test -- -- --skip operations::test::test_add_length
+%endif
+%endif
 
 %changelog
 %autochangelog