Update InlineFbtResult-test to use @testing-library/react #2266

Job	Run time
v12.16: babel-plugin-fbt-runtime:test	41s
v12.16: babel-plugin-fbt:test	55s
v12.16: babel-plugin-standalone:test	55s
v12.16: demo-app:test	45s
v12.16: fb-tiger-hash:test	46s
v12.16: flow:check	41s
v12.16: gulp-rewrite-flowtyped-modules:test	42s
v12.16: gulp-strip-docblock-pragmas:test	43s
v12.16: top-level:test	42s
v16.0: babel-plugin-fbt-runtime:test	41s
v16.0: babel-plugin-fbt:test	55s
v16.0: babel-plugin-standalone:test	56s
v16.0: demo-app:test	44s
v16.0: fb-tiger-hash:test	42s
v16.0: flow:check	41s
v16.0: gulp-rewrite-flowtyped-modules:test	43s
v16.0: gulp-strip-docblock-pragmas:test	41s
v16.0: top-level:test	41s
	13m 34s

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