Integration tests for match_phrase_prefix in PPL

[MaxKsyunz]

Check List

• New functionality includes testing.
  • All tests pass, including unit test, integration test and doctest
• New functionality has been documented.
  • New functionality has javadoc added
  • New functionality has user manual doc added
• Commits are signed per the DCO using --signoff

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.
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[codecov]

Codecov Report

Merging #78 (11b8617) into dev-match_phrase_prefix-#186 (27bf42c) will not change coverage.
The diff coverage is n/a.

@@                       Coverage Diff                       @@
##             dev-match_phrase_prefix-#186      #78   +/-   ##
===============================================================
  Coverage                           97.70%   97.70%           
  Complexity                           2786     2786           
===============================================================
  Files                                 270      270           
  Lines                                6876     6876           
  Branches                              437      437           
===============================================================
  Hits                                 6718     6718           
  Misses                                157      157           
  Partials                                1        1           

Flag	Coverage Δ
sql-engine	97.70% <ø> (ø)

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