Add test case to verify that LexicalPreservation supports TextBlock

[jlerbsc]

Fixes #9999.

[codecov]

Codecov Report

Merging #3827 (e60f517) into master (af59644) will increase coverage by 0.002%.
The diff coverage is n/a.

@@               Coverage Diff               @@
##              master     #3827       +/-   ##
===============================================
+ Coverage     57.608%   57.611%   +0.002%     
  Complexity      2185      2185               
===============================================
  Files            639       639               
  Lines          33960     33960               
  Branches        5870      5870               
===============================================
+ Hits           19564     19565        +1     
  Misses         12313     12313               
+ Partials        2083      2082        -1     

Flag	Coverage Δ
AlsoSlowTests	57.611% <ø> (+0.002%)	⬆️
javaparser-core	50.271% <ø> (+0.003%)	⬆️
javaparser-symbol-solver	36.640% <ø> (ø)
jdk-10	57.604% <ø> (+0.002%)	⬆️
jdk-11	57.604% <ø> (ø)
jdk-12	57.607% <ø> (+0.005%)	⬆️
jdk-13	57.607% <ø> (+0.002%)	⬆️
jdk-14	57.607% <ø> (+0.002%)	⬆️
jdk-15	57.607% <ø> (+0.002%)	⬆️
jdk-16	57.607% <ø> (+0.002%)	⬆️
jdk-8	57.609% <ø> (+0.002%)	⬆️
jdk-9	57.607% <ø> (+0.002%)	⬆️
macos-latest	57.603% <ø> (+0.002%)	⬆️
ubuntu-latest	57.597% <ø> (+0.002%)	⬆️
windows-latest	57.594% <ø> (+0.002%)	⬆️

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Impacted Files	Coverage Δ
.../lexicalpreservation/LexicalPreservingPrinter.java	71.306% <0.000%> (+0.284%)	⬆️

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