Upgrade to macOS 10.14

In Mojave, the TCL headers were removed, so we install brew tcl.

Oh and the all of the nonesense around authorizing applications to
connect a debugger mean the tests don't work, so we force LLDB to use
the system debugserver with LLDB_DEBUGSERVER_PATH.

azure-pipelines.yml

@@ -61,6 +61,8 @@ stages:
       displayName: 'Run the tests'
       env:
         VIMSPECTOR_MIMODE: gdb
+        VIMSPECTOR_TEST_STDOUT: true
+        VIMSPECTOR_MI_DEBUGGER: ""
 
     - bash: ./make_package linux $(Build.SourceVersion)
       displayName: 'Package'
@@ -72,11 +74,11 @@ stages:
 
   - job: 'macos'
     pool:
-      vmImage: 'macOS-10.13'
+      vmImage: 'macOS-10.14'
     steps:
     - bash: |
         brew unlink node@6
-        brew install macvim node@10
+        brew install macvim node@10 tcl-tk
         brew link --force --overwrite node@10
       displayName: 'Install vim and node'
 
@@ -99,6 +101,9 @@ stages:
       displayName: 'Run the tests'
       env:
         VIMSPECTOR_MIMODE: lldb
+        VIMSPECTOR_TEST_STDOUT: true
+        VIMSPECTOR_MI_DEBUGGER: ""
+        LLDB_DEBUGSERVER_PATH: "/Library/Developer/CommandLineTools/Library/PrivateFrameworks/LLDB.framework/Resources/debugserver"
 
     - bash: ./make_package macos $(Build.SourceVersion)
       displayName: 'Package'

tests/testdata/cpp/simple/.vimspector.json

@@ -9,10 +9,14 @@
         "args": [],
         "cwd": "${workspaceRoot}",
         "environment": [],
-        "externalConsole": true,
+        "externalConsole": false,
         "stopAtEntry": true,
         "stopOnEntry": true,
-        "MImode": "${VIMSPECTOR_MIMODE}"
+        "MImode": "${VIMSPECTOR_MIMODE}",
+        "miDebuggerPath": "${VIMSPECTOR_MI_DEBUGGER}",
+        "logging": {
+          "engineLogging": true
+        }
       },
       "breakpoints": {
         "exception": {