Complete rename of showLines to showLine (#7977)

diff --git a/test/fixtures/controller.line/showLines/dataset.js b/test/fixtures/controller.line/showLine/dataset.js
similarity index 100%
rename from test/fixtures/controller.line/showLines/dataset.js
rename to test/fixtures/controller.line/showLine/dataset.js

diff --git a/test/fixtures/controller.line/showLines/dataset.png b/test/fixtures/controller.line/showLine/dataset.png
similarity index 100%
rename from test/fixtures/controller.line/showLines/dataset.png
rename to test/fixtures/controller.line/showLine/dataset.png

diff --git a/test/fixtures/controller.line/showLines/false.js b/test/fixtures/controller.line/showLine/false.js
similarity index 100%
rename from test/fixtures/controller.line/showLines/false.js
rename to test/fixtures/controller.line/showLine/false.js

diff --git a/test/fixtures/controller.line/showLines/false.png b/test/fixtures/controller.line/showLine/false.png
similarity index 100%
rename from test/fixtures/controller.line/showLines/false.png
rename to test/fixtures/controller.line/showLine/false.png

diff --git a/test/fixtures/controller.radar/showLines/value.js b/test/fixtures/controller.radar/showLine/value.js
similarity index 100%
rename from test/fixtures/controller.radar/showLines/value.js
rename to test/fixtures/controller.radar/showLine/value.js

diff --git a/test/fixtures/controller.radar/showLines/value.png b/test/fixtures/controller.radar/showLine/value.png
similarity index 100%
rename from test/fixtures/controller.radar/showLines/value.png
rename to test/fixtures/controller.radar/showLine/value.png

diff --git a/test/fixtures/controller.scatter/showLines/true.js b/test/fixtures/controller.scatter/showLine/true.js
similarity index 100%
rename from test/fixtures/controller.scatter/showLines/true.js
rename to test/fixtures/controller.scatter/showLine/true.js

diff --git a/test/fixtures/controller.scatter/showLines/true.png b/test/fixtures/controller.scatter/showLine/true.png
similarity index 100%
rename from test/fixtures/controller.scatter/showLines/true.png
rename to test/fixtures/controller.scatter/showLine/true.png

diff --git a/test/fixtures/controller.scatter/showLines/undefined.js b/test/fixtures/controller.scatter/showLine/undefined.js
similarity index 100%
rename from test/fixtures/controller.scatter/showLines/undefined.js
rename to test/fixtures/controller.scatter/showLine/undefined.js

diff --git a/test/fixtures/controller.scatter/showLines/undefined.png b/test/fixtures/controller.scatter/showLine/undefined.png
similarity index 100%
rename from test/fixtures/controller.scatter/showLines/undefined.png
rename to test/fixtures/controller.scatter/showLine/undefined.png