diff --git a/tester/fixture_go1.14_test.go b/tester/fixture_go1.14_test.go
new file mode 100644
index 0000000000..24a558df02
--- /dev/null
+++ b/tester/fixture_go1.14_test.go
@@ -0,0 +1,59 @@
+// +build !go1.16
+
+// The outputs here change with Go 1.16, see
+// https://github.com/golang/go/commit/afe7c8d0b25f26f0abd749ca52c7e1e7dfdee8cb
+// But since we've been using 1.14 by the time these split-off fixtures
+// were introduced, the filename mentions go1.14.
+
+package tester
+
+const fixtureReporterVerboseBenchmark = `FAILURES
+--------------------------------------------------------------------------------
+data.foo.bar.test_corge: FAIL (0s)
+
+
+SUMMARY
+--------------------------------------------------------------------------------
+data.foo.bar.test_baz	    1000	       123 ns/op
+data.foo.bar.test_qux: ERROR (0s)
+  some err
+data.foo.bar.test_corge: FAIL (0s)
+--------------------------------------------------------------------------------
+PASS: 1/3
+FAIL: 1/3
+ERROR: 1/3
+`
+
+const fixtureReporterVerboseBenchmarkShowAllocations = `FAILURES
+--------------------------------------------------------------------------------
+data.foo.bar.test_corge: FAIL (0s)
+
+
+SUMMARY
+--------------------------------------------------------------------------------
+data.foo.bar.test_baz	    1000	       123 ns/op	       123 timer_rego_query_eval_ns/op	      91 B/op	       0 allocs/op
+data.foo.bar.test_qux: ERROR (0s)
+  some err
+data.foo.bar.test_corge: FAIL (0s)
+--------------------------------------------------------------------------------
+PASS: 1/3
+FAIL: 1/3
+ERROR: 1/3
+`
+
+const fixtureReporterVerboseBenchmarkShowAllocationsGoBenchFormat = `FAILURES
+--------------------------------------------------------------------------------
+data.foo.bar.test_corge: FAIL (0s)
+
+
+SUMMARY
+--------------------------------------------------------------------------------
+BenchmarkDataFooBarTestBaz	    1000	       123 ns/op	       123 timer_rego_query_eval_ns/op	      91 B/op	       0 allocs/op
+data.foo.bar.test_qux: ERROR (0s)
+  some err
+data.foo.bar.test_corge: FAIL (0s)
+--------------------------------------------------------------------------------
+PASS: 1/3
+FAIL: 1/3
+ERROR: 1/3
+`
diff --git a/tester/fixture_go1.16_test.go b/tester/fixture_go1.16_test.go
new file mode 100644
index 0000000000..2937cb0bce
--- /dev/null
+++ b/tester/fixture_go1.16_test.go
@@ -0,0 +1,57 @@
+// +build go1.16
+
+// See https://golang.org/cmd/go/#hdr-Build_constraints,
+// this build constraint will match go 1.16 onwards.
+
+package tester
+
+const fixtureReporterVerboseBenchmark = `FAILURES
+--------------------------------------------------------------------------------
+data.foo.bar.test_corge: FAIL (0s)
+
+
+SUMMARY
+--------------------------------------------------------------------------------
+data.foo.bar.test_baz	    1000	       123.0 ns/op
+data.foo.bar.test_qux: ERROR (0s)
+  some err
+data.foo.bar.test_corge: FAIL (0s)
+--------------------------------------------------------------------------------
+PASS: 1/3
+FAIL: 1/3
+ERROR: 1/3
+`
+
+const fixtureReporterVerboseBenchmarkShowAllocations = `FAILURES
+--------------------------------------------------------------------------------
+data.foo.bar.test_corge: FAIL (0s)
+
+
+SUMMARY
+--------------------------------------------------------------------------------
+data.foo.bar.test_baz	    1000	       123.0 ns/op	       123.0 timer_rego_query_eval_ns/op	      91 B/op	       0 allocs/op
+data.foo.bar.test_qux: ERROR (0s)
+  some err
+data.foo.bar.test_corge: FAIL (0s)
+--------------------------------------------------------------------------------
+PASS: 1/3
+FAIL: 1/3
+ERROR: 1/3
+`
+
+const fixtureReporterVerboseBenchmarkShowAllocationsGoBenchFormat = `FAILURES
+--------------------------------------------------------------------------------
+data.foo.bar.test_corge: FAIL (0s)
+
+
+SUMMARY
+--------------------------------------------------------------------------------
+BenchmarkDataFooBarTestBaz	    1000	       123.0 ns/op	       123.0 timer_rego_query_eval_ns/op	      91 B/op	       0 allocs/op
+data.foo.bar.test_qux: ERROR (0s)
+  some err
+data.foo.bar.test_corge: FAIL (0s)
+--------------------------------------------------------------------------------
+PASS: 1/3
+FAIL: 1/3
+ERROR: 1/3
+`
diff --git a/tester/reporter_test.go b/tester/reporter_test.go
index b45508c98e..4a5dcc7329 100644
--- a/tester/reporter_test.go
+++ b/tester/reporter_test.go
@@ -359,23 +359,7 @@ func TestPrettyReporterVerboseBenchmark(t *testing.T) {
 		t.Fatal(err)
 	}
 
-	exp := `FAILURES
---------------------------------------------------------------------------------
-data.foo.bar.test_corge: FAIL (0s)
-
-
-SUMMARY
---------------------------------------------------------------------------------
-data.foo.bar.test_baz	    1000	       123 ns/op
-data.foo.bar.test_qux: ERROR (0s)
-  some err
-data.foo.bar.test_corge: FAIL (0s)
---------------------------------------------------------------------------------
-PASS: 1/3
-FAIL: 1/3
-ERROR: 1/3
-`
-
+	exp := fixtureReporterVerboseBenchmark
 	if exp != buf.String() {
 		t.Fatalf("Expected:\n\n%v\n\nGot:\n\n%v", exp, buf.String())
 	}
@@ -436,23 +420,7 @@ func TestPrettyReporterVerboseBenchmarkShowAllocations(t *testing.T) {
 		t.Fatal(err)
 	}
 
-	exp := `FAILURES
---------------------------------------------------------------------------------
-data.foo.bar.test_corge: FAIL (0s)
-
-
-SUMMARY
---------------------------------------------------------------------------------
-data.foo.bar.test_baz	    1000	       123 ns/op	       123 timer_rego_query_eval_ns/op	      91 B/op	       0 allocs/op
-data.foo.bar.test_qux: ERROR (0s)
-  some err
-data.foo.bar.test_corge: FAIL (0s)
---------------------------------------------------------------------------------
-PASS: 1/3
-FAIL: 1/3
-ERROR: 1/3
-`
-
+	exp := fixtureReporterVerboseBenchmarkShowAllocations
 	if exp != buf.String() {
 		t.Fatalf("Expected:\n\n%v\n\nGot:\n\n%v", exp, buf.String())
 	}
@@ -514,23 +482,7 @@ func TestPrettyReporterVerboseBenchmarkShowAllocationsGoBenchFormat(t *testing.T
 		t.Fatal(err)
 	}
 
-	exp := `FAILURES
---------------------------------------------------------------------------------
-data.foo.bar.test_corge: FAIL (0s)
-
-
-SUMMARY
---------------------------------------------------------------------------------
-BenchmarkDataFooBarTestBaz	    1000	       123 ns/op	       123 timer_rego_query_eval_ns/op	      91 B/op	       0 allocs/op
-data.foo.bar.test_qux: ERROR (0s)
-  some err
-data.foo.bar.test_corge: FAIL (0s)
---------------------------------------------------------------------------------
-PASS: 1/3
-FAIL: 1/3
-ERROR: 1/3
-`
-
+	exp := fixtureReporterVerboseBenchmarkShowAllocationsGoBenchFormat
 	if exp != buf.String() {
 		t.Fatalf("Expected:\n\n%v\n\nGot:\n\n%v", exp, buf.String())
 	}