50     const result = FileUtils.readFileAsJson('fakePath.json');  constant
58     const result = FileUtils.readFileAsJson('fakePath.json');  constant
67     const result = FileUtils.readFileAsJson('validPath.json');  constant
74     const result = FileUtils.getFileExtension('');  constant
79     const result = FileUtils.getFileExtension('filename');  constant
84     const result = FileUtils.getFileExtension('path/to.test/filename');  constant
89     const result = FileUtils.getFileExtension('filename.');  constant
94     const result = FileUtils.getFileExtension('/path/to/file.txt');  constant
99     const result = FileUtils.getFileExtension('/path/to/file.name.with.dots.txt');  constant
106     const result = FileUtils.isRelativePath('./file.txt');  constant
111     const result = FileUtils.isRelativePath('../file.txt');  constant
116     const result = FileUtils.isRelativePath('.\\file.txt');  constant
121     const result = FileUtils.isRelativePath('..\\file.txt');  constant
126     const result = FileUtils.isRelativePath('/absolute/path/to/file.txt');  constant
131     const result = FileUtils.isRelativePath('C:\\absolute\\path\\to\\file.txt');  constant
143     const result = FileUtils.isReadableFile('readableFile.txt');  constant
149     const result = FileUtils.isReadableFile('unreadableFile.txt');  constant
180     const result = proxyquireUtils.FileUtils.toUnixPath('C:\\path\\to\\file.txt');  constant
186     const result = FileUtils.toUnixPath('/path/to/file.txt');  constant