Made test less spammy.

common/basetilehash_test.go

@@ -41,13 +41,21 @@ func TestBaseTileHash(t *testing.T) {
 			t.Errorf("List has differnt length than hashes: %d : %d",
 				len(entries), len(bth.hashes))
 		}
+		var already1 bool
+		var already2 bool
 		for k, v := range bth.hashes {
 			if !entries[v] {
-				t.Errorf("Hash contains pointer to element not being in list: %d",
-					updates)
+				if !already1 {
+					already1 = true
+					t.Errorf("Hash contains pointer to element not being in list: %d",
+						updates)
+				}
 			}
 			if k != v.btKey {
-				t.Error("Key in entry does not match hash key: %d", updates)
+				if !already2 {
+					already2 = true
+					t.Error("Key in entry does not match hash key: %d", updates)
+				}
 			}
 			delete(entries, v)
 		}