Fixed issues with timezone and locale incorrectly set in DateTest, DateTest_tz, Issue1298, Issue1679, and Issue1977

[OrDTesters]

Similar to the following, recently accepted pull request, #2148 the tests in DateTest, DateTest_tz, Issue1298, Issue1679, and Issue1977 also depends on the time zone and the locale. To the best of my knowledge, these are the remaining classes in the project with this issue.

The tests in these classes can be fixed by running a setup to change the time and locale to "Asia/Shanghai" and "China" (respectively). This setup is the same as the one in other classes such as the DateTest class. This fix will enable the tests in these classes to now pass in any test run order and by itself. Let me know if you want to discuss more.

[codecov-io]

Codecov Report

Merging #2172 into master will decrease coverage by <.01%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##             master    #2172      +/-   ##
============================================
- Coverage     81.85%   81.84%   -0.01%     
+ Complexity     6856     6852       -4     
============================================
  Files           140      140              
  Lines         25492    25492              
  Branches       6088     6088              
============================================
- Hits          20867    20865       -2     
  Misses         2906     2906              
- Partials       1719     1721       +2

Impacted Files	Coverage Δ	Complexity Δ
...java/com/alibaba/fastjson/parser/ParserConfig.java	82.56% <0%> (-0.19%)	186% <0%> (-1%)
...n/java/com/alibaba/fastjson/util/JavaBeanInfo.java	87.5% <0%> (-0.19%)	194% <0%> (-1%)

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