diff --git a/test/unit/stdlib/collections/bitset.c3 b/test/unit/stdlib/collections/bitset.c3
index a6db770e2..e56867295 100644
--- a/test/unit/stdlib/collections/bitset.c3
+++ b/test/unit/stdlib/collections/bitset.c3
@@ -52,21 +52,21 @@ fn void! growable_set_get()
 {
 	GrowableBitSet bs;
 	bs.tinit();
-	assert(bs.cardinality() == 0);
+	assert(bs.cardinality() == 0, "Invalid cardinality");
 
-	assert(!bs.get(0));
+	assert(!bs.get(0), "Get was true");
 	bs.set(0);
-	assert(bs.get(0));
-	assert(bs.cardinality() == 1);
-	assert(bs.len() == 1);
+	assert(bs.get(0), "Get should be true");
+	assert(bs.cardinality() == 1, "Cardinality should be 1");
+	assert(bs.len() == 1, "Len should be 1");
 
-	assert(!bs.get(2000));
+	assert(!bs.get(2000), "Get 2000 should be false");
 	bs[2000] = true;
-	assert(bs.get(2000));
-	assert(bs.cardinality() == 2);
+	assert(bs.get(2000), "Get 2000 should be true");
+	assert(bs.cardinality() == 2, "Cardinality should be 2");
 
-	assert(bs.data.len() == 251);
-	assert(bs.len() == 2001);
+	assert(bs.data.len() == 251, "Len should be 251");
+	assert(bs.len() == 2001, "Len should be 2001");
 
 	List found;
 	found.tinit();
@@ -79,14 +79,14 @@ fn void! growable_set_get()
 				assert(x);
 				found.push(i);
 			default:
-				assert(!x);
+				assert(!x, "Should not get here");
 		}
 	}
-	assert(found.array_view() == usz[]{0, 2000});
+	assert(found.array_view() == usz[]{0, 2000}, "Array view should hold 2");
 
 	bs.unset(0);
-	assert(!bs.get(0));
+	assert(!bs.get(0), "Get should be false");
 	bs[2000] = false;
-	assert(!bs.get(2000));
-	assert(bs.cardinality() == 0);
+	assert(!bs.get(2000), "Get should be false");
+	assert(bs.cardinality() == 0, "Cardinality should be 0");
 }
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