* test(mom): cover period/value accessors + name metadata
Codecov flagged 9 lines in indicators/mom.rs (file at 89.53%): const
accessors period (56-58), value (61-63) and Indicator-impl name
(101-103). mom.rs now at 86/86.
* test(sma): cover period accessor + warmup/name metadata
Codecov flagged 9 lines in indicators/sma.rs (file at 93.12%): const
accessor period (70-72), Indicator-impl warmup_period (115-117),
name (123-125). sma.rs now at 131/131.
* test(stoch_rsi): cover periods/value accessors + name metadata
Codecov flagged 9 lines in indicators/stoch_rsi.rs (file at 92.37%):
const accessors periods (69-71), value (74-76) and Indicator-impl
name (131-133). stoch_rsi.rs now at 118/118.
* test(tema): cover period accessor + warmup/name metadata
Codecov flagged 9 lines in indicators/tema.rs (file at 83.63%): const
accessor period (45-47), Indicator-impl warmup_period (67-69), name
(75-77). tema.rs now at 55/55.
* test(trima): cover period/value accessors + name metadata
Codecov flagged 9 lines in indicators/trima.rs (file at 89.53%): const
accessors period (59-61), value (64-66) and Indicator-impl name
(99-101). trima.rs now at 86/86.
