diff --git a/.clang-format b/.clang-format
index 449a149..ca08a86 100644
--- a/.clang-format
+++ b/.clang-format
@@ -21,7 +21,6 @@ AlwaysBreakTemplateDeclarations: true
 BinPackArguments: false
 BinPackParameters: false
 BraceWrapping:
-  AfterCaseLabel:  true
   AfterClass:      true
   AfterControlStatement: true
   AfterEnum:       true
diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index c43bb32..2290c28 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -207,6 +207,7 @@ jobs:
       cmakeArgs: '.. -DCMAKE_BUILD_TYPE=$(BuildType) -DSNMALLOC_CI_BUILD=On -DSNMALLOC_RUST_SUPPORT=On'
 
   - script: |
+      set -eo pipefail
       make -j 4
 
     workingDirectory: build
@@ -214,6 +215,7 @@ jobs:
     displayName: 'Compile'
 
   - script: |
+      set -eo pipefail
       ctest -j 4 --output-on-failure -C $(BuildType)
 
     workingDirectory: build
@@ -226,6 +228,7 @@ jobs:
     vmImage: 'ubuntu-16.04'
   steps:
   - script: |
+      set -eo pipefail
       wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key | sudo apt-key add -
       sudo add-apt-repository "deb http://apt.llvm.org/xenial/ llvm-toolchain-xenial-8 main"
       sudo apt-get update
@@ -240,14 +243,17 @@ jobs:
       cmakeArgs: '..'
 
   - script: |
+      set -eo pipefail
       make clangformat
       git diff
-      if [ "$(git diff $(Build.SourceVersion))" != "" ]; then exit 1; fi
+      git diff --exit-code $(Build.SourceVersion)
 
     workingDirectory: build
+    failOnStderr: true
     displayName: 'Clang-Format'
 
   - script: |
+      set -eo pipefail
       clang-tidy-8  src/override/malloc.cc  -header-filter="`pwd`/*" -export-fixes=tidy.fail -- -std=c++17 -mcx16
       if [ -f tidy.fail ] ; then exit 1 ; fi
 
diff --git a/src/test/setup.h b/src/test/setup.h
index 2591f43..20936cc 100644
--- a/src/test/setup.h
+++ b/src/test/setup.h
@@ -70,7 +70,6 @@ void _cdecl error(int signal)
   _exit(1);
 }
 
-#  define CALL_LAST 0
 LONG WINAPI VectoredHandler(struct _EXCEPTION_POINTERS* ExceptionInfo)
 {
   UNUSED(ExceptionInfo);
@@ -89,7 +88,11 @@ void setup()
   _set_abort_behavior(0, _WRITE_ABORT_MSG);
   signal(SIGABRT, error);
 
-  AddVectoredExceptionHandler(CALL_LAST, VectoredHandler);
+  // If we have an unhandled exception print a stack trace.
+  SetUnhandledExceptionFilter(VectoredHandler);
+
+  // Disable OS level dialog boxes during CI.
+  SetErrorMode(SEM_FAILCRITICALERRORS | SEM_NOGPFAULTERRORBOX);
 }
 #else
 void setup() {}