Build or link all Scheme test files into a directory "tests".

Instead of random locations only occasionally related to the
corresponding source.

Includes renaming libgnucash/engine/test/test-extras.scm and
gnucash/report/report-system/test/test-extras.scm to avoid a
naming conflict.

libgnucash/gnc-module/test/CMakeLists.txt

@@ -68,7 +68,7 @@ set(GUILE_DEPENDS
 
 gnc_add_scheme_test_targets(test-gnc-modules-scm
   "${test_gnc_module_SCHEME}"
-  "gnucash/gnc-modules/test"
+  "tests"
   "${GUILE_DEPENDS}"
   TRUE
   )

libgnucash/gnc-module/test/mod-baz/CMakeLists.txt

@@ -27,7 +27,7 @@ target_include_directories(gncmod-baz PRIVATE
 
 gnc_add_scheme_test_targets(scm-mod-baz
   gnucash/baz.scm
-  "gnucash"
+  "tests"
   gncmod-baz
   TRUE
   )

libgnucash/gnc-module/test/mod-foo/CMakeLists.txt

@@ -21,7 +21,7 @@ target_include_directories(gncmod-foo PRIVATE
 
 gnc_add_scheme_test_targets(scm-mod-foo
   gnucash/foo.scm
-  "gnucash"
+  "tests"
   gncmod-foo
   TRUE
   )

libgnucash/gnc-module/test/test-gnc-module-load-deps.scm

@@ -1,4 +1,4 @@
-(use-modules (gnucash unittest-support))
+(use-modules (tests unittest-support))
 (define log-domain "gnc.module")
 (define check (new-TestErrorStruct))
 (define log-level (G-LOG-LEVEL-WARNING))

libgnucash/gnc-module/test/test-gnc-module-load-scm.scm

@@ -1,4 +1,4 @@
-(use-modules (gnucash unittest-support))
+(use-modules (tests unittest-support))
 (define log-domain "gnc.module")
 (define check (new-TestErrorStruct))
 (define log-level (G-LOG-LEVEL-WARNING))

libgnucash/gnc-module/test/test-gnc-module-scm-init.scm

@@ -1,4 +1,4 @@
-(use-modules (gnucash unittest-support))
+(use-modules (tests unittest-support))
 (define log-domain "gnc.module")
 (define check (new-TestErrorStruct))
 (define log-level (G-LOG-LEVEL-WARNING))

libgnucash/gnc-module/test/test-gnc-module-scm-module.scm

@@ -1,4 +1,4 @@
-(use-modules (gnucash unittest-support))
+(use-modules (tests unittest-support))
 (define log-domain "gnc.module")
 (define check (new-TestErrorStruct))
 (define log-level (G-LOG-LEVEL-WARNING))

libgnucash/gnc-module/test/test-gnc-module-scm-multi.scm

@@ -1,4 +1,4 @@
-(use-modules (gnucash unittest-support))
+(use-modules (tests unittest-support))
 (define log-domain "gnc.module")
 (define check (new-TestErrorStruct))
 (define log-level (G-LOG-LEVEL-WARNING))

libgnucash/gnc-module/test/test-gnc-module-swigged-c.scm

@@ -1,4 +1,4 @@
-(use-modules (gnucash unittest-support))
+(use-modules (tests unittest-support))
 (define log-domain "gnc.module")
 (define check (new-TestErrorStruct))
 (define log-level (G-LOG-LEVEL-WARNING))