Use lexical-binding in many emacs-lisp tests

* test/lisp/emacs-lisp/bytecomp-tests.el:
* test/lisp/emacs-lisp/ert-x-tests.el:
* test/lisp/emacs-lisp/nadvice-tests.el:
* test/lisp/emacs-lisp/pcase-tests.el:
* test/lisp/emacs-lisp/seq-tests.el:
* test/lisp/emacs-lisp/subr-x-tests.el:
* test/lisp/emacs-lisp/text-property-search-tests.el: Use
lexical-binding.

* test/lisp/emacs-lisp/seq-tests.el (test-seq-filter)
(test-seq-remove, test-seq-count, test-seq-every-p): Silence
byte-compiler.

7 files changed, 11 insertions, 11 deletions

diff --git a/test/lisp/emacs-lisp/bytecomp-tests.el b/test/lisp/emacs-lisp/bytecomp-tests.el
index d4ceb47c36e..bfe2d06a61b 100644
--- a/test/lisp/emacs-lisp/bytecomp-tests.el
+++ b/test/lisp/emacs-lisp/bytecomp-tests.el
@@ -1,4 +1,4 @@
-;;; bytecomp-tests.el
+;;; bytecomp-tests.el  -*- lexical-binding:t -*-
 
 ;; Copyright (C) 2008-2020 Free Software Foundation, Inc.
 
diff --git a/test/lisp/emacs-lisp/ert-x-tests.el b/test/lisp/emacs-lisp/ert-x-tests.el
index e910329c201..b760f8c7869 100644
--- a/test/lisp/emacs-lisp/ert-x-tests.el
+++ b/test/lisp/emacs-lisp/ert-x-tests.el
@@ -1,4 +1,4 @@
-;;; ert-x-tests.el --- Tests for ert-x.el
+;;; ert-x-tests.el --- Tests for ert-x.el  -*- lexical-binding:t -*-
 
 ;; Copyright (C) 2008, 2010-2020 Free Software Foundation, Inc.
 
diff --git a/test/lisp/emacs-lisp/nadvice-tests.el b/test/lisp/emacs-lisp/nadvice-tests.el
index eabe3cb1970..a955df0a696 100644
--- a/test/lisp/emacs-lisp/nadvice-tests.el
+++ b/test/lisp/emacs-lisp/nadvice-tests.el
@@ -1,4 +1,4 @@
-;;; advice-tests.el --- Test suite for the new advice thingy.
+;;; nadvice-tests.el --- Test suite for the new advice thingy.  -*- lexical-binding:t -*-
 
 ;; Copyright (C) 2012-2020 Free Software Foundation, Inc.
 
diff --git a/test/lisp/emacs-lisp/pcase-tests.el b/test/lisp/emacs-lisp/pcase-tests.el
index 0b69bd99f32..ac512416b71 100644
--- a/test/lisp/emacs-lisp/pcase-tests.el
+++ b/test/lisp/emacs-lisp/pcase-tests.el
@@ -1,4 +1,4 @@
-;;; pcase-tests.el --- Test suite for pcase macro.
+;;; pcase-tests.el --- Test suite for pcase macro.  -*- lexical-binding:t -*-
 
 ;; Copyright (C) 2012-2020 Free Software Foundation, Inc.
 
diff --git a/test/lisp/emacs-lisp/seq-tests.el b/test/lisp/emacs-lisp/seq-tests.el
index 77ee4f5c38d..a6a80952360 100644
--- a/test/lisp/emacs-lisp/seq-tests.el
+++ b/test/lisp/emacs-lisp/seq-tests.el
@@ -1,4 +1,4 @@
-;;; seq-tests.el --- Tests for sequences.el
+;;; seq-tests.el --- Tests for seq.el  -*- lexical-binding:t -*-
 
 ;; Copyright (C) 2014-2020 Free Software Foundation, Inc.
 
@@ -126,7 +126,7 @@ Evaluate BODY for each created sequence.
   (with-test-sequences (seq '(6 7 8 9 10))
     (should (equal (seq-filter #'test-sequences-evenp seq) '(6 8 10)))
     (should (equal (seq-filter #'test-sequences-oddp seq) '(7 9)))
-    (should (equal (seq-filter (lambda (elt) nil) seq) '())))
+    (should (equal (seq-filter (lambda (_) nil) seq) '())))
   (with-test-sequences (seq '())
     (should (equal (seq-filter #'test-sequences-evenp seq) '()))))
 
@@ -134,7 +134,7 @@ Evaluate BODY for each created sequence.
   (with-test-sequences (seq '(6 7 8 9 10))
     (should (equal (seq-remove #'test-sequences-evenp seq) '(7 9)))
     (should (equal (seq-remove #'test-sequences-oddp seq) '(6 8 10)))
-    (should (same-contents-p (seq-remove (lambda (elt) nil) seq) seq)))
+    (should (same-contents-p (seq-remove (lambda (_) nil) seq) seq)))
   (with-test-sequences (seq '())
     (should (equal (seq-remove #'test-sequences-evenp seq) '()))))
 
@@ -142,7 +142,7 @@ Evaluate BODY for each created sequence.
   (with-test-sequences (seq '(6 7 8 9 10))
     (should (equal (seq-count #'test-sequences-evenp seq) 3))
     (should (equal (seq-count #'test-sequences-oddp seq) 2))
-    (should (equal (seq-count (lambda (elt) nil) seq) 0)))
+    (should (equal (seq-count (lambda (_) nil) seq) 0)))
   (with-test-sequences (seq '())
     (should (equal (seq-count #'test-sequences-evenp seq) 0))))
 
@@ -199,7 +199,7 @@ Evaluate BODY for each created sequence.
 
 (ert-deftest test-seq-every-p ()
   (with-test-sequences (seq '(43 54 22 1))
-    (should (seq-every-p (lambda (elt) t) seq))
+    (should (seq-every-p (lambda (_) t) seq))
     (should-not (seq-every-p #'test-sequences-oddp seq))
     (should-not (seq-every-p #'test-sequences-evenp seq)))
   (with-test-sequences (seq '(42 54 22 2))
diff --git a/test/lisp/emacs-lisp/subr-x-tests.el b/test/lisp/emacs-lisp/subr-x-tests.el
index 220ce0c08f0..c702fdff6f1 100644
--- a/test/lisp/emacs-lisp/subr-x-tests.el
+++ b/test/lisp/emacs-lisp/subr-x-tests.el
@@ -1,4 +1,4 @@
-;;; subr-x-tests.el --- Testing the extended lisp routines
+;;; subr-x-tests.el --- Testing the extended lisp routines  -*- lexical-binding:t -*-
 
 ;; Copyright (C) 2014-2020 Free Software Foundation, Inc.
 
diff --git a/test/lisp/emacs-lisp/text-property-search-tests.el b/test/lisp/emacs-lisp/text-property-search-tests.el
index 26b89b72312..549c90d20d8 100644
--- a/test/lisp/emacs-lisp/text-property-search-tests.el
+++ b/test/lisp/emacs-lisp/text-property-search-tests.el
@@ -1,4 +1,4 @@
-;;; text-property-search-tests.el --- Testing text-property-search
+;;; text-property-search-tests.el --- Testing text-property-search  -*- lexical-binding:t -*-
 
 ;; Copyright (C) 2018-2020 Free Software Foundation, Inc.