qadevOOo: reuse the value of entryName.indexOf(Left Parenthesis)

Change-Id: I1950275af2a063db74fef326ac0dd4e555e5170d
Reviewed-on: https://gerrit.libreoffice.org/11323Reviewed-by: Noel Grandin <noelgrandin@gmail.com>
Tested-by: Noel Grandin <noelgrandin@gmail.com>

qadevOOo/runner/complexlib/ComplexTestCase.java

@@ -119,12 +119,13 @@ public abstract class ComplexTestCase extends Assurance implements ComplexTest
                 String entryName = subEntry.entryName;
                 Object[] parameter = null;
 
-                if (entryName.indexOf("(") != -1)
+                int posLeftParenthesis = entryName.indexOf("(");
+                if (posLeftParenthesis != -1)
                 {
-                    String sParameter = (entryName.substring(entryName.indexOf("(") + 1, entryName.indexOf(")")));
+                    String sParameter = (entryName.substring(posLeftParenthesis + 1, entryName.indexOf(")")));
                     mTestMethodName = entryName;
                     parameter = new String[] { sParameter };
-                    entryName = entryName.substring(0, entryName.indexOf("("));
+                    entryName = entryName.substring(0, posLeftParenthesis);
                     testMethod = this.getClass().getMethod(entryName, new Class[] { String.class });
                 }
                 else