diff --git a/iter_test.go b/iter_test.go
index 2212923..a160b84 100644
--- a/iter_test.go
+++ b/iter_test.go
@@ -390,14 +390,13 @@ func TestBoundedIterFuncWithNoBoundsReturned(t *testing.T) {
 	if err != nil {
 		t.Fatal(err)
 	}
-
-	if err := sm.BoundedIterFunc(false, time.Now().Add(-1*time.Microsecond), time.Now(), func(rec Record) bool {
+	if err := sm.BoundedIterFunc(false, time.Date(5783, 1, 1, 0, 0, 0, 0, time.UTC), time.Now(), func(rec Record) bool {
 		if rec.Key == nil {
-			t.Fatalf("TestBoundedIterFunc failed: %v", nilValErr)
+			t.Fatal(nilValErr)
 		}
 		return false
-	}); err != nil {
-		t.Fatal(err)
+	}); err == nil {
+		t.Fatal("Values fall between or are equal to the given bounds when it should not have returned bounds.")
 	}
 }
 
diff --git a/keys_test.go b/keys_test.go
index 1578796..4bdd37c 100644
--- a/keys_test.go
+++ b/keys_test.go
@@ -49,7 +49,7 @@ func TestBoundedKeysWithNoBoundsReturned(t *testing.T) {
 	if err != nil {
 		t.Fatal(err)
 	}
-	if _, err := sm.BoundedKeys(time.Now().Add(-1*time.Microsecond), time.Now()); err != nil {
-		t.Fatal(err)
+	if val, err := sm.BoundedKeys(time.Date(5783, 1, 1, 0, 0, 0, 0, time.UTC), time.Now()); err == nil {
+		t.Fatalf("Values fall between or are equal to the given bounds when it should not have returned bounds: %+v", sm.idx[val[0]])
 	}
 }