test fixes

...systemsx/cisd/common/collections/CollectionUtilsTest.java

...temsx/cisd/common/collections/CompositeValidatorTest.java

...ch/systemsx/cisd/common/collections/FilteredListTest.java

.../systemsx/cisd/common/collections/ValidatorUtilsTest.java

.../ch/systemsx/cisd/common/converter/ConverterPoolTest.java

...ava/ch/systemsx/cisd/common/db/SqlUnitTestRunnerTest.java

...a/ch/systemsx/cisd/common/parser/ParserUtilitiesTest.java

...va/ch/systemsx/cisd/common/process/ProcessRunnerTest.java

.../ch/systemsx/cisd/common/utilities/FileUtilitiesTest.java

...h/systemsx/cisd/common/utilities/StringUtilitiesTest.java