test: test query fields with only a measurement predicate #3900
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While working on influxdata/influxdb#21962, I found that the existing
show_fields_xxx.flux
tests did not include one where there is only a single predicate of_measurement
.show_fields_with_pred_test.flux
has a predicate of_measurement
as well as one for an additional tag, andshow_fields_test.flux
does not have a filter.This additional test will cover the case of only having a predicate of
_measurement
. It is primarily useful to me since I am planning to tweak the OSS logic related to a query like this.