Test enable string format

[andreamlin]

Tests #2561

Blocked on #2563

[andreamlin]

PTAL

[codecov]

Codecov Report

Merging #2564 into master will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master    #2564   +/-   ##
=========================================
  Coverage     86.54%   86.54%           
- Complexity     5464     5466    +2     
=========================================
  Files           465      465           
  Lines         21768    21768           
  Branches       2391     2391           
=========================================
  Hits          18839    18839           
- Misses         2086     2087    +1     
+ Partials        843      842    -1

Impacted Files	Coverage Δ	Complexity Δ
...e/api/codegen/transformer/InitCodeTransformer.java	93.4% <0%> (-1.07%)	99% <0%> (-1%)
...m/google/api/codegen/transformer/SurfaceNamer.java	71.77% <0%> (+0.23%)	204% <0%> (+1%)	⬆️
.../google/api/codegen/config/GapicProductConfig.java	77.27% <0%> (+0.71%)	70% <0%> (+1%)	⬆️
...oogle/api/codegen/util/java/JavaNameFormatter.java	76% <0%> (+4%)	15% <0%> (+1%)	⬆️

---

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[codecov]

Codecov Report

Merging #2564 into master will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master    #2564   +/-   ##
=========================================
  Coverage     86.54%   86.54%           
- Complexity     5464     5466    +2     
=========================================
  Files           465      465           
  Lines         21768    21768           
  Branches       2391     2391           
=========================================
  Hits          18839    18839           
- Misses         2086     2087    +1     
+ Partials        843      842    -1

Impacted Files	Coverage Δ	Complexity Δ
...e/api/codegen/transformer/InitCodeTransformer.java	93.4% <0%> (-1.07%)	99% <0%> (-1%)
...m/google/api/codegen/transformer/SurfaceNamer.java	71.77% <0%> (+0.23%)	204% <0%> (+1%)	⬆️
.../google/api/codegen/config/GapicProductConfig.java	77.27% <0%> (+0.71%)	70% <0%> (+1%)	⬆️
...oogle/api/codegen/util/java/JavaNameFormatter.java	76% <0%> (+4%)	15% <0%> (+1%)	⬆️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update cb2c4a9...ed5d2e7. Read the comment docs.