Fix false positive for `RSpec/EmptyExampleGroup` cop with iterator and simple conditional #2452

Job	Run time
Confirm config and documentation	13s
Ruby 2.7: internal_investigation	26s
Test coverage	19s
Ruby 2.7: spec	36s
Edge RuboCop: internal_investigation	17s
Ruby 3.0: internal_investigation	14s
Edge RuboCop: spec	25s
Ruby 3.0: spec	19s
Oldest RuboCop: spec	19s
Ruby 3.1: internal_investigation	14s
Ruby 3.1: spec	22s
Prism	32s
Ruby 3.2: internal_investigation	17s
Ruby 3.2: spec	20s
Ruby 3.3: internal_investigation	15s
RSpec 4	26s
Ruby 3.3: spec	24s
Ruby 3.4: internal_investigation	11s
Ruby 3.4: spec	22s
Ruby ruby-head: internal_investigation	14s
Ruby ruby-head: spec	20s
Ruby jruby-9.4: internal_investigation	1m 30s
Ruby jruby-9.4: spec	1m 25s
	10m 0s

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