Replace hana db plugin with mysql in tests

This replaces one instance of hanadb with MySQL in the test suite
instead, as hanadb has been removed but MySQL (MariaDB) has been
retained.

Cherry-pick of a1a2f14.

Signed-off-by: Alexander Scheel <alexander.m.scheel@gmail.com>

builtin/logical/database/backend_test.go

@@ -1511,7 +1511,7 @@ func TestBackend_AsyncClose(t *testing.T) {
 func TestNewDatabaseWrapper_IgnoresBuiltinVersion(t *testing.T) {
 	cluster, sys := getCluster(t)
 	t.Cleanup(cluster.Cleanup)
-	_, err := newDatabaseWrapper(context.Background(), "hana-database-plugin", "v1.0.0+builtin", sys, hclog.Default())
+	_, err := newDatabaseWrapper(context.Background(), "mysql-database-plugin", "v1.0.0+builtin", sys, hclog.Default())
 	if err != nil {
 		t.Fatal(err)
 	}

builtin/logical/database/path_config_connection_test.go

@@ -28,8 +28,8 @@ func TestWriteConfig_PluginVersionInStorage(t *testing.T) {
 	}
 	defer b.Cleanup(context.Background())
 
-	const hdb = "hana-database-plugin"
-	hdbBuiltin := versions.GetBuiltinVersion(consts.PluginTypeDatabase, hdb)
+	const mdb = "mysql-database-plugin"
+	mdbBuiltin := versions.GetBuiltinVersion(consts.PluginTypeDatabase, mdb)
 
 	// Configure a connection
 	writePluginVersion := func() {
@@ -40,8 +40,8 @@ func TestWriteConfig_PluginVersionInStorage(t *testing.T) {
 			Storage:   config.StorageView,
 			Data: map[string]interface{}{
 				"connection_url":    "test",
-				"plugin_name":       hdb,
-				"plugin_version":    hdbBuiltin,
+				"plugin_name":       mdb,
+				"plugin_version":    mdbBuiltin,
 				"verify_connection": false,
 			},
 		}
@@ -75,8 +75,8 @@ func TestWriteConfig_PluginVersionInStorage(t *testing.T) {
 	// Directly store config to get the builtin plugin version into storage,
 	// simulating a write that happened before upgrading to 1.12.2+
 	err = storeConfig(context.Background(), config.StorageView, "plugin-test", &DatabaseConfig{
-		PluginName:    hdb,
-		PluginVersion: hdbBuiltin,
+		PluginName:    mdb,
+		PluginVersion: mdbBuiltin,
 	})
 	if err != nil {
 		t.Fatal(err)
@@ -107,8 +107,8 @@ func TestWriteConfig_PluginVersionInStorage(t *testing.T) {
 	}
 
 	storagePluginVersion := getPluginVersionFromStorage()
-	if storagePluginVersion != hdbBuiltin {
-		t.Fatalf("Expected %s, got: %s", hdbBuiltin, storagePluginVersion)
+	if storagePluginVersion != mdbBuiltin {
+		t.Fatalf("Expected %s, got: %s", mdbBuiltin, storagePluginVersion)
 	}
 
 	// Trigger a write to storage, which should clean up plugin version in the storage entry.