diff --git a/test/t/012_hnsw_vector_build_recall.pl b/test/t/012_hnsw_vector_build_recall.pl
index 1298009..9ed8707 100644
--- a/test/t/012_hnsw_vector_build_recall.pl
+++ b/test/t/012_hnsw_vector_build_recall.pl
@@ -8,6 +8,7 @@ my $node;
 my @queries = ();
 my @expected;
 my $limit = 20;
+my $array_sql = join(",", ('random() * random()') x 3);
 
 sub test_recall
 {
@@ -54,7 +55,7 @@ $node->start;
 $node->safe_psql("postgres", "CREATE EXTENSION vector;");
 $node->safe_psql("postgres", "CREATE TABLE tst (i int4, v vector(3));");
 $node->safe_psql("postgres",
-	"INSERT INTO tst SELECT i, ARRAY[random(), random(), random()] FROM generate_series(1, 10000) i;"
+	"INSERT INTO tst SELECT i, ARRAY[$array_sql] FROM generate_series(1, 10000) i;"
 );
 
 # Generate queries
@@ -90,7 +91,7 @@ for my $i (0 .. $#operators)
 	));
 
 	# Test approximate results
-	my $min = $operator eq "<#>" ? 0.80 : 0.99;
+	my $min = 0.99;
 	test_recall($min, $operator);
 
 	$node->safe_psql("postgres", "DROP INDEX idx;");
diff --git a/test/t/013_hnsw_vector_insert_recall.pl b/test/t/013_hnsw_vector_insert_recall.pl
index 006231b..3ec2b5c 100644
--- a/test/t/013_hnsw_vector_insert_recall.pl
+++ b/test/t/013_hnsw_vector_insert_recall.pl
@@ -8,6 +8,7 @@ my $node;
 my @queries = ();
 my @expected;
 my $limit = 20;
+my $array_sql = join(",", ('random() * random()') x 3);
 
 sub test_recall
 {
@@ -83,7 +84,7 @@ for my $i (0 .. $#operators)
 		[qr{^$}],
 		"concurrent INSERTs",
 		{
-			"013_hnsw_insert_recall_$opclass" => "INSERT INTO tst (v) VALUES (ARRAY[random(), random(), random()]);"
+			"013_hnsw_insert_recall_$opclass" => "INSERT INTO tst (v) VALUES (ARRAY[$array_sql]);"
 		}
 	);
 
@@ -99,7 +100,7 @@ for my $i (0 .. $#operators)
 	}
 
 	# Test approximate results
-	my $min = $operator eq "<#>" ? 0.80 : 0.99;
+	my $min = 0.99;
 	test_recall($min, $operator);
 
 	$node->safe_psql("postgres", "DROP INDEX idx;");
diff --git a/test/t/024_hnsw_halfvec_build_recall.pl b/test/t/024_hnsw_halfvec_build_recall.pl
index f83a9b1..885e860 100644
--- a/test/t/024_hnsw_halfvec_build_recall.pl
+++ b/test/t/024_hnsw_halfvec_build_recall.pl
@@ -9,7 +9,7 @@ my @queries = ();
 my @expected;
 my $limit = 20;
 my $dim = 10;
-my $array_sql = join(",", ('random()') x $dim);
+my $array_sql = join(",", ('2 * random() * random()') x $dim);
 
 sub test_recall
 {
@@ -94,7 +94,7 @@ for my $i (0 .. $#operators)
 	));
 
 	# Test approximate results
-	my $min = $operator eq "<#>" ? 0.93 : 0.98;
+	my $min = 0.98;
 	test_recall($min, $operator);
 
 	$node->safe_psql("postgres", "DROP INDEX idx;");
diff --git a/test/t/025_hnsw_halfvec_insert_recall.pl b/test/t/025_hnsw_halfvec_insert_recall.pl
index 6a7c501..c68d888 100644
--- a/test/t/025_hnsw_halfvec_insert_recall.pl
+++ b/test/t/025_hnsw_halfvec_insert_recall.pl
@@ -9,7 +9,7 @@ my @queries = ();
 my @expected;
 my $limit = 20;
 my $dim = 10;
-my $array_sql = join(",", ('random()') x $dim);
+my $array_sql = join(",", ('2 * random() * random()') x $dim);
 
 sub test_recall
 {
@@ -103,7 +103,7 @@ for my $i (0 .. $#operators)
 	}
 
 	# Test approximate results
-	my $min = $operator eq "<#>" ? 0.94 : 0.98;
+	my $min = 0.98;
 	test_recall($min, $operator);
 
 	$node->safe_psql("postgres", "DROP INDEX idx;");
diff --git a/test/t/028_hnsw_sparsevec_build_recall.pl b/test/t/028_hnsw_sparsevec_build_recall.pl
index 8533e2d..ec758e2 100644
--- a/test/t/028_hnsw_sparsevec_build_recall.pl
+++ b/test/t/028_hnsw_sparsevec_build_recall.pl
@@ -8,6 +8,7 @@ my $node;
 my @queries = ();
 my @expected;
 my $limit = 20;
+my $array_sql = join(",", ('random() * random()') x 3);
 
 sub test_recall
 {
@@ -54,7 +55,7 @@ $node->start;
 $node->safe_psql("postgres", "CREATE EXTENSION vector;");
 $node->safe_psql("postgres", "CREATE TABLE tst (i int4, v sparsevec(3));");
 $node->safe_psql("postgres",
-	"INSERT INTO tst SELECT i, ARRAY[random(), random(), random()]::vector::sparsevec FROM generate_series(1, 10000) i;"
+	"INSERT INTO tst SELECT i, ARRAY[$array_sql]::vector::sparsevec FROM generate_series(1, 10000) i;"
 );
 
 # Generate queries
@@ -90,7 +91,7 @@ for my $i (0 .. $#operators)
 	));
 
 	# Test approximate results
-	my $min = $operator eq "<#>" ? 0.80 : 0.99;
+	my $min = 0.99;
 	test_recall($min, $operator);
 
 	$node->safe_psql("postgres", "DROP INDEX idx;");
diff --git a/test/t/029_hnsw_sparsevec_insert_recall.pl b/test/t/029_hnsw_sparsevec_insert_recall.pl
index b6b8093..e87f672 100644
--- a/test/t/029_hnsw_sparsevec_insert_recall.pl
+++ b/test/t/029_hnsw_sparsevec_insert_recall.pl
@@ -8,6 +8,7 @@ my $node;
 my @queries = ();
 my @expected;
 my $limit = 20;
+my $array_sql = join(",", ('random() * random()') x 3);
 
 sub test_recall
 {
@@ -83,7 +84,7 @@ for my $i (0 .. $#operators)
 		[qr{^$}],
 		"concurrent INSERTs",
 		{
-			"025_hnsw_sparsevec_insert_recall_$opclass" => "INSERT INTO tst (v) VALUES (ARRAY[random(), random(), random()]::vector::sparsevec);"
+			"025_hnsw_sparsevec_insert_recall_$opclass" => "INSERT INTO tst (v) VALUES (ARRAY[$array_sql]::vector::sparsevec);"
 		}
 	);
 
@@ -99,7 +100,7 @@ for my $i (0 .. $#operators)
 	}
 
 	# Test approximate results
-	my $min = $operator eq "<#>" ? 0.79 : 0.99;
+	my $min = 0.99;
 	test_recall($min, $operator);
 
 	$node->safe_psql("postgres", "DROP INDEX idx;");