Fix test case

shardingsphere-governance/shardingsphere-governance-core/shardingsphere-governance-core-schema/src/main/java/org/apache/shardingsphere/governance/core/schema/GovernanceSchemaContexts.java

@@ -348,7 +348,7 @@ public final class GovernanceSchemaContexts implements SchemaContexts {
     
     private boolean isModifiedDataSource(final Map<String, DataSource> oldDataSources, final String newDataSourceName, final DataSourceConfiguration newDataSourceConfig) {
         DataSourceConfiguration dataSourceConfig = DataSourceConverter.getDataSourceConfigurationMap(oldDataSources).get(newDataSourceName);
-        return !newDataSourceConfig.equals(dataSourceConfig);
+        return null != dataSourceConfig && !newDataSourceConfig.equals(dataSourceConfig);
     }
     
     private Map<String, Map<String, DataSource>> createDataSourcesMap(final Map<String, Map<String, DataSourceConfiguration>> dataSourcesConfigs) {

shardingsphere-jdbc/shardingsphere-jdbc-governance/src/test/java/org/apache/shardingsphere/driver/governance/internal/datasource/GovernanceShardingSphereDataSourceTest.java

@@ -116,7 +116,6 @@ public final class GovernanceShardingSphereDataSourceTest {
     public void assertRenewDataSource() throws Exception {
         governanceSchemaContexts.renew(new DataSourceChangedEvent(DefaultSchema.LOGIC_NAME, getDataSourceConfigurations()));
         assertThat(governanceSchemaContexts.getDefaultSchemaContext().getSchema().getDataSources().size(), is(3));
-        
     }
     
     private Map<String, DataSourceConfiguration> getDataSourceConfigurations() {