Drop stored procedure if it exists in init()

Author: Ananya2

src/test/java/com/microsoft/sqlserver/jdbc/unit/statement/BigDecimalPrecisionTest.java

@@ -27,6 +27,9 @@ public class BigDecimalPrecisionTest extends AbstractTest {
     @BeforeEach
     public void init() throws SQLException {
         try (Connection connection = getConnection()) {
+            String dropProcedureSQL = "DROP PROCEDURE IF EXISTS " + procName1 + ", " + procName2;
+            stmt.execute(dropProcedureSQL);
+            
             String createProcedureSQL1 = "CREATE PROCEDURE " + procName1 + "\n" +
                     "    @big_decimal_type      decimal(15, 3),\n" +
                     "    @big_decimal_type_o    decimal(15, 3) OUTPUT\n" +
@@ -41,7 +44,6 @@ public void init() throws SQLException {
                     "BEGIN\n" +
                     "    SET @big_decimal_type_o = @big_decimal_type;\n" +
                     "END;";
-
             try (Statement stmt = connection.createStatement()) {
                 stmt.execute(createProcedureSQL1);
                 stmt.execute(createProcedureSQL2);