adapt test content and naming

Author: lorenzwalthert

tests/testthat/indention_operators/eq_assign-out.R

@@ -1,5 +1,4 @@
-switch(
-  engine,
+switch(engine,
   pdftex = {
     if (any) {
       x

tests/testthat/line_breaks_fun_call/switch_ifelse_etc_no_line_break-in.R

@@ -0,0 +1,20 @@
+call(
+  2,
+  3
+)
+
+switch(abc,
+  wei9
+)
+
+switch(abc,
+  wei9
+)
+
+if_else(a,
+  c, v
+)
+
+ifelse(x,
+  y, z
+)

tests/testthat/line_breaks_fun_call/switch_ifelse_etc_no_line_break-in_tree

@@ -0,0 +1,20 @@
+call(
+  2,
+  3
+)
+
+switch(abc,
+  wei9
+)
+
+switch(abc,
+  wei9
+)
+
+if_else(a,
+  c, v
+)
+
+ifelse(x,
+  y, z
+)