fix: increasing limit for mv_getfoldermember.sas, also adding a test, and updating mf_getapploc to search _program by default (and fixing it to work with macro tests, and updating the test for that also)

tests/viyaonly/mv_getfoldermembers.test.sas

@@ -0,0 +1,24 @@
+/**
+  @file
+  @brief Testing mv_getfoldermembers macro
+  @details Testing is performed by ensuring that the tests/macros folder
+  contains more than 20 results (which also means the default was increased)
+
+  <h4> SAS Macros </h4>
+  @li mf_getapploc.sas
+  @li mp_assertdsobs.sas
+  @li mv_getfoldermembers.sas
+
+**/
+options mprint;
+
+%mv_getfoldermembers(
+  root=%mf_getapploc()/tests/macros,
+  outds=work.results
+)
+
+%mp_assertdsobs(work.results,
+  desc=%str(Ensuring over 20 results found in %mf_getapploc()/tests/macros),
+  test=ATLEAST 21,
+  outds=work.test_results
+)