Tests for twisted.python.util.
| Class | UtilTests | No class docstring; 4/6 methods documented | 
| Class | NameToLabelTests | Tests for nameToLabel. | 
| Class | UntilConcludesTests | Tests for untilConcludes,
anEINTRhelper. | 
| Class | SwitchUIDTests | Tests for util.switchUID. | 
| Class | MergeFunctionMetadataTests | Tests for mergeFunctionMetadata. | 
| Class | OrderedDictTests | Tests for util.OrderedDict. | 
| Class | InsensitiveDictTests | Tests for util.InsensitiveDict. | 
| Class | PasswordTestingProcessProtocol | Write the string "secret "to a subprocess and 
then collect all of its output and fire a Deferred with it when the process
ends. | 
| Class | GetPasswordTests | No class docstring; 1/1 methods documented | 
| Class | SearchUpwardsTests | Undocumented | 
| Class | IntervalDifferentialTests | Undocumented | 
| Class | Record | Trivial user of FancyEqMixinused by tests. | 
| Class | DifferentRecord | Trivial user of FancyEqMixinwhich is not related toRecord. | 
| Class | DerivedRecord | A class with an inheritance relationship to Record. | 
| Class | EqualToEverything | A class the instances of which consider themselves equal to everything. | 
| Class | EqualToNothing | A class the instances of which consider themselves equal to nothing. | 
| Class | EqualityTests | Tests for FancyEqMixin. | 
| Class | RunAsEffectiveUserTests | Test for the util.runAsEffectiveUserfunction. | 
| Class | InitGroupsTests | Tests for util.initgroups. | 
| Class | DeprecationTests | Tests for deprecations in twisted.python.util. | 
| Class | SuppressedWarningsTests | Tests for util.runWithWarningsSuppressed. | 
| Class | FancyStrMixinTests | Tests for util.FancyStrMixin. | 
| Class | PadToTests | Tests for util.padTo. | 
| Class | ReplaceIfTests | Tests for util._replaceIf. |