azure: skip SSH tests on Win32 platforms

On Win32 build hosts, we do not have an SSH daemon readily available and
thus cannot perform the SSH tests. Let's skip the tests to not let Azure
Pipelines fail.

azure-pipelines.yml

@@ -83,6 +83,7 @@ jobs:
       environmentVariables:
         CMAKE_GENERATOR: Visual Studio 12 2013 Win64
         CMAKE_OPTIONS: -DMSVC_CRTDBG=ON -DDEPRECATE_HARD=ON
+        SKIP_SSH_TESTS: true
 
 - job: windows_vs_x86
   displayName: 'Windows (x86; Visual Studio)'
@@ -93,6 +94,7 @@ jobs:
       environmentVariables:
         CMAKE_GENERATOR: Visual Studio 12 2013
         CMAKE_OPTIONS: -DMSVC_CRTDBG=ON -DDEPRECATE_HARD=ON -DUSE_SHA1=HTTPS
+        SKIP_SSH_TESTS: true
 
 - job: windows_mingw_amd64
   displayName: 'Windows (amd64; MinGW)'
@@ -109,6 +111,7 @@ jobs:
         BUILD_PATH: $(Agent.TempDirectory)\mingw64\bin;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Program Files (x86)\CMake\bin
         CMAKE_GENERATOR: MinGW Makefiles
         CMAKE_OPTIONS: -DDEPRECATE_HARD=ON
+        SKIP_SSH_TESTS: true
 
 - job: windows_mingw_x86
   displayName: 'Windows (x86; MinGW)'
@@ -126,6 +129,7 @@ jobs:
         BUILD_PATH: $(Agent.TempDirectory)\mingw32\bin;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Program Files (x86)\CMake\bin
         CMAKE_GENERATOR: MinGW Makefiles
         CMAKE_OPTIONS: -DDEPRECATE_HARD=ON
+        SKIP_SSH_TESTS: true
 
 - job: documentation
   displayName: 'Generate Documentation'

azure-pipelines/nightly.yml

@@ -85,6 +85,7 @@ jobs:
         CMAKE_GENERATOR: Visual Studio 12 2013 Win64
         CMAKE_OPTIONS: -DMSVC_CRTDBG=ON -DDEPRECATE_HARD=ON
         RUN_INVASIVE_TESTS: true
+        SKIP_SSH_TESTS: true
 
 - job: windows_vs_x86
   displayName: 'Windows (x86; Visual Studio)'
@@ -96,6 +97,7 @@ jobs:
         CMAKE_GENERATOR: Visual Studio 12 2013
         CMAKE_OPTIONS: -DMSVC_CRTDBG=ON -DDEPRECATE_HARD=ON -DUSE_SHA1=HTTPS
         RUN_INVASIVE_TESTS: true
+        SKIP_SSH_TESTS: true
 
 - job: windows_mingw_amd64
   displayName: 'Windows (amd64; MinGW)'
@@ -113,6 +115,7 @@ jobs:
         CMAKE_GENERATOR: MinGW Makefiles
         CMAKE_OPTIONS: -DDEPRECATE_HARD=ON
         RUN_INVASIVE_TESTS: true
+        SKIP_SSH_TESTS: true
 
 - job: windows_mingw_x86
   displayName: 'Windows (x86; MinGW)'
@@ -131,6 +134,7 @@ jobs:
         CMAKE_GENERATOR: MinGW Makefiles
         CMAKE_OPTIONS: -DDEPRECATE_HARD=ON
         RUN_INVASIVE_TESTS: true
+        SKIP_SSH_TESTS: true
 
 - job: linux_x86_bionic_gcc_openssl
   displayName: 'Linux (x86; Bionic; GCC; OpenSSL)'