system/libssh2: kneecap test that relies on tty group access

system/libssh2/APKBUILD

@@ -10,7 +10,8 @@ license="BSD-3-Clause"
 checkdepends="openssh-server"
 makedepends="openssl-dev zlib-dev"
 subpackages="$pkgname-dev $pkgname-doc"
-source="https://www.libssh2.org/download/libssh2-$pkgver.tar.gz"
+source="https://www.libssh2.org/download/libssh2-$pkgver.tar.gz
+	test-sshd.patch"
 
 build() {
 	./configure \
@@ -33,4 +34,5 @@ package() {
 	make DESTDIR="$pkgdir" install
 }
 
-sha512sums="41a3ebcf84e32eab69b7411ffb0a3b6e6db71491c968602b17392cfe3490ef00239726ec28acb3d25bf0ed62700db7f4d0bb5a9175618f413865f40badca6e17  libssh2-1.9.0.tar.gz"
+sha512sums="41a3ebcf84e32eab69b7411ffb0a3b6e6db71491c968602b17392cfe3490ef00239726ec28acb3d25bf0ed62700db7f4d0bb5a9175618f413865f40badca6e17  libssh2-1.9.0.tar.gz
+eef3c43184d53a3c655915ad61d182a88d9cced75ba8f8dde73ccf771ff4aeaa0f26e95aeb53601d7c47d96a2421c98678e9baf497f3883faa4427a091eea62c  test-sshd.patch"

system/libssh2/test-sshd.patch

+--- libssh2-1.9.0/tests/ssh2.sh	2010-10-25 17:15:14.000000000 -0500
++++ libssh2-1.9.0/tests/ssh2.sh	2019-09-11 18:52:25.932354801 -0500
+@@ -28,6 +28,7 @@ $SSHD -f /dev/null -h "$srcdir"/etc/host
+     -o 'UsePrivilegeSeparation no' \
+     -o 'StrictModes no' \
+     -D \
++    -e \
+     $libssh2_sshd_params &
+ sshdpid=$!
+ 
+--- libssh2-1.9.0/tests/ssh2.c	2019-03-26 08:08:54.000000000 -0500
++++ libssh2-1.9.0/tests/ssh2.c	2019-09-11 19:38:03.782403778 -0500
+@@ -143,20 +143,6 @@ int main(int argc, char *argv[])
+      */
+     libssh2_channel_setenv(channel, "FOO", "bar");
+ 
+-    /* Request a terminal with 'vanilla' terminal emulation
+-     * See /etc/termcap for more options
+-     */
+-    if(libssh2_channel_request_pty(channel, "vanilla")) {
+-        fprintf(stderr, "Failed requesting pty\n");
+-        goto skip_shell;
+-    }
+-
+-    /* Open a SHELL on that pty */
+-    if(libssh2_channel_shell(channel)) {
+-        fprintf(stderr, "Unable to request shell on allocated pty\n");
+-        goto shutdown;
+-    }
+-
+     ec = 0;
+ 
+   skip_shell: