delete dup code

dolphinscheduler-common/src/test/java/org/apache/dolphinscheduler/common/utils/ScriptRunnerTest.java

@@ -36,6 +36,14 @@ public class ScriptRunnerTest {
 
         //connect is not null
         try {
+            ScriptRunner s2 = getScriptRunner();
+            s2.runScript(new StringReader("select 1;"));
+        } catch(Exception e) {
+            Assert.assertNotNull(e);
+        }
+    }
+
+    private ScriptRunner getScriptRunner() throws SQLException {
         Connection conn = Mockito.mock(Connection.class);
         Mockito.when(conn.getAutoCommit()).thenReturn(true);
         PreparedStatement st = Mockito.mock(PreparedStatement.class);
@@ -47,30 +55,15 @@ public class ScriptRunnerTest {
         Mockito.when(md.getColumnCount()).thenReturn(1);
         Mockito.when(rs.next()).thenReturn(true, false);
         ScriptRunner s2 = new ScriptRunner(conn, true, true);
-            s2.runScript(new StringReader("select 1;"));
         Mockito.verify(md).getColumnLabel(0);
-        } catch(Exception e) {
-            Assert.assertNotNull(e);
-        }
     }
 
     @Test
     public void testRunScriptWithDbName() {
         //connect is not null
         try {
-            Connection conn = Mockito.mock(Connection.class);
-            Mockito.when(conn.getAutoCommit()).thenReturn(true);
-            PreparedStatement st = Mockito.mock(PreparedStatement.class);
-            Mockito.when(conn.createStatement()).thenReturn(st);
-            ResultSet rs = Mockito.mock(ResultSet.class);
-            Mockito.when(st.getResultSet()).thenReturn(rs);
-            ResultSetMetaData md = Mockito.mock(ResultSetMetaData.class);
-            Mockito.when(rs.getMetaData()).thenReturn(md);
-            Mockito.when(md.getColumnCount()).thenReturn(1);
-            Mockito.when(rs.next()).thenReturn(true, false);
-            ScriptRunner s = new ScriptRunner(conn, true, true);
+            ScriptRunner s = getScriptRunner();
             s.runScript(new StringReader("select 1;"), "test_db");
-            Mockito.verify(md).getColumnLabel(0);
         } catch(Exception e) {
             Assert.assertNotNull(e);
         }