JDK for tests in stockmetrics is configured in a wrong way #108

In module stockmetrics class NumMeaningfulClassesMethodMetricTest has ignored test ignoredTestThrows. The reason for this is that IntelliJ Platform can't resolve classes from JDK (namely Exception) and returns null instead of expected PsiClass. Investigation showed that most probably this is due to wrong set up of JDK for tests.

Possibly some clues might be found here. (key words: mock JDK setup)

The problem might occur not only in stockmetrics module, but in the main module wich has tests for algorithms.