Class Fields: extensive static and runtime production verification cases & templates

...ields/grammar-field-classelementname-initializer-alt.case

...ss-fields/grammar-field-classelementname-initializer.case

...fields/grammar-field-def-has-initializer-no-sc-error.case

src/class-fields/grammar-field-identifier-alt.case

...ss-fields/grammar-field-identifier-invalid-ues-error.case

...ss-fields/grammar-field-identifier-invalid-zwj-error.case

...s-fields/grammar-field-identifier-invalid-zwnj-error.case

src/class-fields/grammar-field-identifier.case

src/class-fields/grammar-fields-multi-line.case

src/class-fields/grammar-fields-same-line-error.case

...grammar-privatename-classelementname-initializer-alt.case

...lds/grammar-privatename-classelementname-initializer.case

src/class-fields/grammar-privatename-error.case

...ss-fields/grammar-privatename-identifier-invalid-ues.case

...lds/grammar-privatename-identifier-invalid-zwj-error.case

...ds/grammar-privatename-identifier-invalid-zwnj-error.case

...grammar-privatename-identifier-semantics-stringvalue.case

src/class-fields/grammar-privatename-identifier.case

...ields/grammar-privatename-no-initializer-with-method.case

src/class-fields/grammar-privatenames-multi-line.case