Parity between folders in R/ and in tests/testthat/ (#6738)

* remove vestigial `aaa-.R`

* collect all `aes-X.R` docs in single file

* divorce various `aes_*()` variants

* for descriptiveness, rename `aes-evaluation.R` to `aes-delayed-eval.R`

* align `grouping.R` and `test-grouping.R`

* tweaks to `test-grouping.R`

* align `aes-delayed-eval.R` and `test-aes-delayed-eval.R`

* reorganise aes tests

* redocument

* accept snapshots moving around

* rename `annotation.R` to `annotate.R`

* reorganise annotation family of tests

* align `test-axis-secondary`

* isolate binning logic in separate test file

* rename `test-build.R` to `test-plot-build.R`

* accept snapshots moving around

* fix typo in `test-coord_sf.R` name

* move test in `test-coord-train.R`

* kebab-case `docs-layer.R`

* migrate layer tests for empty data

* migrate `test-draw-key.R`

* accept snapshots moving around

* align `facet-labeller`

* cannibalise `test-facet-layout.R`

* cannibalise `test-facet-map.R`

* cannibalise `test-facet-strips.R`

* migrate wrap/grid specific tests out from `test-facet.R`

* accept snapshots moving around

* isolate spatial `fortify()` test

* quick little documentation

* merge hline/vline into abline geom file

* merge `geom-bar.R` and `geom-col.R`

* clarify that `geom-defaults.R` was just about updating defaults

* move default update tests to own file

* cannibalise `test-geom-rule.R`

* align `test-save.R`

* align `test-grid-utils.R`

* accept snapshots moving around

* redistribute `test-guides.R` to separate files per guide

* cannibalise `test-labellers.R`

* align `test-munch.R`

* align `test-patterns.R`

* cannibalise `test-plot-summary-api.R`

* clarify `performance.R` has performance utilities

* underscore to kebab

* align `test-qplot.R`

* delete `test-range.R`: {scales} is responsible and tests this already

* cannibalise `test-scale_date.R`

* accept snapshots moving around

* reorganise scale tests

* repatriate `stat_count()` tests

* align `test-stats.R`

* reorganise theme tests

* align `test-viridis.R`

* move `allow_lambda` to general `utilities.R`

* reorganise utilities tests

* add snapshot tests for rd helper functions

* add snapshot tests for `make_constructor()`

* add tests for properties

* add test for `print(<ggproto)`

* extra utilities tests

* add test for `deprecated_guide_args()`

* fix a few loose ends

* redocument `AxisSecondary`

* separate `guide_bins()` and `guide_coloursteps()` snapshots

* attempt to adhere to file name limits

* remove fickle snapshot test

* turn off aesthetics section check on older R

* lol at my incompetence

* update snapshots

* redocument

* get rid of variant snapshots

* separate old guide expectations

* is this the only failing test?

* another attempt at placating the CI gods

* is it some weird filename thingy?

* try without messing with environment

* avoid recalcitrant visual test

Author: teunbrand

DESCRIPTION

@@ -86,18 +86,15 @@ LazyData: true
 Roxygen: list(markdown = TRUE)
 RoxygenNote: 7.3.3
 Collate:
-    'ggproto.R'
+    'aes-delayed-eval.R'
+    'aes-variants.R'
     'ggplot-global.R'
-    'aaa-.R'
-    'aes-colour-fill-alpha.R'
-    'aes-evaluation.R'
-    'aes-group-order.R'
-    'aes-linetype-size-shape.R'
-    'aes-position.R'
+    'ggproto.R'
     'all-classes.R'
     'compat-plyr.R'
     'utilities.R'
     'aes.R'
+    'annotate.R'
     'annotation-borders.R'
     'utilities-checks.R'
     'legend-draw.R'
@@ -112,7 +109,6 @@ Collate:
     'annotation-map.R'
     'geom-raster.R'
     'annotation-raster.R'
-    'annotation.R'
     'autolayer.R'
     'autoplot.R'
     'axis-secondary.R'
@@ -131,32 +127,32 @@ Collate:
     'coord-sf.R'
     'coord-transform.R'
     'data.R'
-    'docs_layer.R'
+    'docs-aes.R'
+    'docs-layer.R'
     'facet-.R'
     'facet-grid-.R'
+    'facet-labeller.R'
     'facet-null.R'
     'facet-wrap.R'
     'fortify-map.R'
     'fortify-models.R'
     'fortify-spatial.R'
     'fortify.R'
     'stat-.R'
-    'geom-abline.R'
+    'geom-abline-hline-vline.R'
     'geom-rect.R'
     'geom-bar.R'
     'geom-tile.R'
     'geom-bin2d.R'
     'geom-blank.R'
     'geom-boxplot.R'
-    'geom-col.R'
     'geom-path.R'
     'geom-contour.R'
     'geom-point.R'
     'geom-count.R'
     'geom-crossbar.R'
     'geom-segment.R'
     'geom-curve.R'
-    'geom-defaults.R'
     'geom-ribbon.R'
     'geom-density.R'
     'geom-density2d.R'
@@ -166,7 +162,6 @@ Collate:
     'geom-function.R'
     'geom-hex.R'
     'geom-histogram.R'
-    'geom-hline.R'
     'geom-jitter.R'
     'geom-label.R'
     'geom-linerange.R'
@@ -177,8 +172,8 @@ Collate:
     'geom-smooth.R'
     'geom-spoke.R'
     'geom-text.R'
+    'geom-update-defaults.R'
     'geom-violin.R'
-    'geom-vline.R'
     'ggplot2-package.R'
     'grob-absolute.R'
     'grob-dotstack.R'
@@ -204,12 +199,10 @@ Collate:
     'hexbin.R'
     'import-standalone-obj-type.R'
     'import-standalone-types-check.R'
-    'labeller.R'
     'labels.R'
     'layer-sf.R'
     'layout.R'
     'limits.R'
-    'performance.R'
     'plot-build.R'
     'plot-construction.R'
     'plot-last.R'
@@ -289,6 +282,7 @@ Collate:
     'utilities-grid.R'
     'utilities-help.R'
     'utilities-patterns.R'
+    'utilities-performance.R'
     'utilities-resolution.R'
     'utilities-tidy-eval.R'
     'zxx.R'