Silence byte-compiler warnings from absent optional features

* test/src/inotify-tests.el (inotify-rm-watch):
* test/src/lcms-tests.el (lcms-xyz->jch):
* test/src/sqlite-tests.el (sqlite-open):
Add declarations to prevent byte-compilation warnings when features
are absent.

3 files changed, 9 insertions, 0 deletions

diff --git a/test/src/inotify-tests.el b/test/src/inotify-tests.el
index 70330ac8657..ea1951b8898 100644
--- a/test/src/inotify-tests.el
+++ b/test/src/inotify-tests.el
@@ -28,6 +28,7 @@
 
 (declare-function inotify-add-watch "inotify.c" (file-name aspect callback))
 (declare-function inotify-rm-watch "inotify.c" (watch-descriptor))
+(declare-function inotify-valid-p "inotify.c" (watch-descriptor))
 
 (ert-deftest inotify-valid-p-simple ()
   "Simple tests for `inotify-valid-p'."
diff --git a/test/src/lcms-tests.el b/test/src/lcms-tests.el
index d2d137e9bd5..bffeba762ac 100644
--- a/test/src/lcms-tests.el
+++ b/test/src/lcms-tests.el
@@ -35,6 +35,13 @@
 (require 'ert)
 (require 'color)
 
+(declare-function lcms-jab->jch "lcms.c")
+(declare-function lcms-jch->jab "lcms.c")
+(declare-function lcms-xyz->jch "lcms.c")
+(declare-function lcms-jch->xyz "lcms.c")
+(declare-function lcms-temp->white-point "lcms.c")
+(declare-function lcms-cam02-ucs "lcms.c")
+
 (defconst lcms-colorspacious-d65 '(0.95047 1.0 1.08883)
   "D65 white point from colorspacious.")
 
diff --git a/test/src/sqlite-tests.el b/test/src/sqlite-tests.el
index 27ba74e9d23..d7100537a4e 100644
--- a/test/src/sqlite-tests.el
+++ b/test/src/sqlite-tests.el
@@ -35,6 +35,7 @@
 (declare-function sqlite-more-p "sqlite.c")
 (declare-function sqlite-select "sqlite.c")
 (declare-function sqlite-open "sqlite.c")
+(declare-function sqlite-load-extension "sqlite.c")
 
 (ert-deftest sqlite-select ()
   (skip-unless (sqlite-available-p))