Revert the following three commits.
"added testSQLProcessor::test_selectOneColumnTwice()."
"cleaned up test_selectOneColumn with assertResultOfselectOneColumn()."
"changed the repeat count of test_selectOneColumnTwice to 2."

This reverts commit
156243b64a3b706a9305105e83537dbc6b2c3ffc
74dc9b668f46baa19f351a375a4c613c0dcc6be9
b3a121bd8b4d5cd7e1d1c455c3b3e36614358dfd