diff --git a/go/analysis/passes/vet/testdata/divergent/buf.go b/go/analysis/passes/tests/testdata/src/divergent/buf.go
similarity index 100%
rename from go/analysis/passes/vet/testdata/divergent/buf.go
rename to go/analysis/passes/tests/testdata/src/divergent/buf.go
diff --git a/go/analysis/passes/tests/testdata/src/divergent/buf_test.go b/go/analysis/passes/tests/testdata/src/divergent/buf_test.go
new file mode 100644
index 0000000..7dfd4ef
--- /dev/null
+++ b/go/analysis/passes/tests/testdata/src/divergent/buf_test.go
@@ -0,0 +1,35 @@
+// Test of examples with divergent packages.
+
+package buf
+
+func Example() {} // OK because is package-level.
+
+func Example_suffix() {} // OK because refers to suffix annotation.
+
+func Example_BadSuffix() {} // want "Example_BadSuffix has malformed example suffix: BadSuffix"
+
+func ExampleBuf() {} // OK because refers to known top-level type.
+
+func ExampleBuf_Append() {} // OK because refers to known method.
+
+func ExampleBuf_Clear() {} // want "ExampleBuf_Clear refers to unknown field or method: Buf.Clear"
+
+func ExampleBuf_suffix() {} // OK because refers to suffix annotation.
+
+func ExampleBuf_Append_Bad() {} // want "ExampleBuf_Append_Bad has malformed example suffix: Bad"
+
+func ExampleBuf_Append_suffix() {} // OK because refers to known method with valid suffix.
+
+func ExampleDefaultBuf() {} // OK because refers to top-level identifier.
+
+func ExampleBuf_Reset() bool { return true } // want "ExampleBuf_Reset should return nothing"
+
+func ExampleBuf_Len(i int) {} // want "ExampleBuf_Len should be niladic"
+
+// "Puffer" is German for "Buffer".
+
+func ExamplePuffer() {} // want "ExamplePuffer refers to unknown identifier: Puffer"
+
+func ExamplePuffer_Append() {} // want "ExamplePuffer_Append refers to unknown identifier: Puffer"
+
+func ExamplePuffer_suffix() {} // want "ExamplePuffer_suffix refers to unknown identifier: Puffer"
diff --git a/go/analysis/passes/tests/tests_test.go b/go/analysis/passes/tests/tests_test.go
index 172ae8e..5329648 100644
--- a/go/analysis/passes/tests/tests_test.go
+++ b/go/analysis/passes/tests/tests_test.go
@@ -13,6 +13,9 @@
 
 func Test(t *testing.T) {
 	testdata := analysistest.TestData()
-	// Loads "a", "a [a.test]", and "a.test".
-	analysistest.Run(t, testdata, tests.Analyzer, "a")
+
+	analysistest.Run(t, testdata, tests.Analyzer,
+		"a", // loads "a", "a [a.test]", and "a.test"
+		"divergent",
+	)
 }
diff --git a/go/analysis/passes/vet/testdata/divergent/buf_test.go b/go/analysis/passes/vet/testdata/divergent/buf_test.go
deleted file mode 100644
index b75d55e..0000000
--- a/go/analysis/passes/vet/testdata/divergent/buf_test.go
+++ /dev/null
@@ -1,35 +0,0 @@
-// Test of examples with divergent packages.
-
-package buf_test
-
-func Example() {} // OK because is package-level.
-
-func Example_suffix() {} // OK because refers to suffix annotation.
-
-func Example_BadSuffix() {} // ERROR "Example_BadSuffix has malformed example suffix: BadSuffix"
-
-func ExampleBuf() {} // OK because refers to known top-level type.
-
-func ExampleBuf_Append() {} // OK because refers to known method.
-
-func ExampleBuf_Clear() {} // ERROR "ExampleBuf_Clear refers to unknown field or method: Buf.Clear"
-
-func ExampleBuf_suffix() {} // OK because refers to suffix annotation.
-
-func ExampleBuf_Append_Bad() {} // ERROR "ExampleBuf_Append_Bad has malformed example suffix: Bad"
-
-func ExampleBuf_Append_suffix() {} // OK because refers to known method with valid suffix.
-
-func ExampleDefaultBuf() {} // OK because refers to top-level identifier.
-
-func ExampleBuf_Reset() bool { return true } // ERROR "ExampleBuf_Reset should return nothing"
-
-func ExampleBuf_Len(i int) {} // ERROR "ExampleBuf_Len should be niladic"
-
-// "Puffer" is German for "Buffer".
-
-func ExamplePuffer() {} // ERROR "ExamplePuffer refers to unknown identifier: Puffer"
-
-func ExamplePuffer_Append() {} // ERROR "ExamplePuffer_Append refers to unknown identifier: Puffer"
-
-func ExamplePuffer_suffix() {} // ERROR "ExamplePuffer_suffix refers to unknown identifier: Puffer"
diff --git a/go/analysis/passes/vet/testdata/incomplete/examples_test.go b/go/analysis/passes/vet/testdata/incomplete/examples_test.go
deleted file mode 100644
index 445502b..0000000
--- a/go/analysis/passes/vet/testdata/incomplete/examples_test.go
+++ /dev/null
@@ -1,33 +0,0 @@
-// Test of examples.
-
-package testdata
-
-func Example() {} // OK because is package-level.
-
-func Example_suffix() // OK because refers to suffix annotation.
-
-func Example_BadSuffix() // OK because non-test package was excluded.  No false positives wanted.
-
-func ExampleBuf() // OK because non-test package was excluded.  No false positives wanted.
-
-func ExampleBuf_Append() {} // OK because non-test package was excluded.  No false positives wanted.
-
-func ExampleBuf_Clear() {} // OK because non-test package was excluded.  No false positives wanted.
-
-func ExampleBuf_suffix() {} // OK because refers to suffix annotation.
-
-func ExampleBuf_Append_Bad() {} // OK because non-test package was excluded.  No false positives wanted.
-
-func ExampleBuf_Append_suffix() {} // OK because refers to known method with valid suffix.
-
-func ExampleBuf_Reset() bool { return true } // ERROR "ExampleBuf_Reset should return nothing"
-
-func ExampleBuf_Len(i int) {} // ERROR "ExampleBuf_Len should be niladic"
-
-// "Puffer" is German for "Buffer".
-
-func ExamplePuffer() // OK because non-test package was excluded.  No false positives wanted.
-
-func ExamplePuffer_Append() // OK because non-test package was excluded.  No false positives wanted.
-
-func ExamplePuffer_suffix() // OK because non-test package was excluded.  No false positives wanted.