CI: Fail Azure CI for failing tests (pandas-dev#23454)

Author: alimcmaster1

ci/azure/linux.yml

@@ -54,3 +54,28 @@ jobs:
       inputs:
         testResultsFiles: 'test-data-*.xml'
         testRunTitle: 'Linux'
+    - powershell: |
+        $junitXml = "test-data-single.xml"
+        $(Get-Content $junitXml | Out-String) -match 'failures="(.*?)"'
+        if ($matches[1] -eq 0)
+        {
+          Write-Host "No test failures in test-data-single"
+        }
+        else
+        {
+          # note that this will produce $LASTEXITCODE=1
+          Write-Error "$($matches[1]) tests failed"
+        }
+
+        $junitXmlMulti = "test-data-multiple.xml"
+        $(Get-Content $junitXmlMulti | Out-String) -match 'failures="(.*?)"'
+        if ($matches[1] -eq 0)
+        {
+          Write-Host "No test failures in test-data-multi"
+        }
+        else
+        {
+          # note that this will produce $LASTEXITCODE=1
+          Write-Error "$($matches[1]) tests failed"
+        }
+      displayName: Check for test failures

ci/azure/macos.yml

@@ -41,3 +41,28 @@ jobs:
       inputs:
         testResultsFiles: 'test-data-*.xml'
         testRunTitle: 'MacOS-35'
+    - powershell: |
+        $junitXml = "test-data-single.xml"
+        $(Get-Content $junitXml | Out-String) -match 'failures="(.*?)"'
+        if ($matches[1] -eq 0)
+        {
+          Write-Host "No test failures in test-data-single"
+        }
+        else
+        {
+          # note that this will produce $LASTEXITCODE=1
+          Write-Error "$($matches[1]) tests failed"
+        }
+
+        $junitXmlMulti = "test-data-multiple.xml"
+        $(Get-Content $junitXmlMulti | Out-String) -match 'failures="(.*?)"'
+        if ($matches[1] -eq 0)
+        {
+          Write-Host "No test failures in test-data-multi"
+        }
+        else
+        {
+          # note that this will produce $LASTEXITCODE=1
+          Write-Error "$($matches[1]) tests failed"
+        }
+      displayName: Check for test failures

ci/azure/windows-py27.yml

@@ -43,3 +43,16 @@ jobs:
       inputs:
         testResultsFiles: 'test-data.xml'
         testRunTitle: 'Windows 27'
+    - powershell: |
+        $junitXml = "test-data.xml"
+        $(Get-Content $junitXml | Out-String) -match 'failures="(.*?)"'
+        if ($matches[1] -eq 0)
+        {
+          Write-Host "No test failures in test-data"
+        }
+        else
+        {
+          # note that this will produce $LASTEXITCODE=1
+          Write-Error "$($matches[1]) tests failed"
+        }
+      displayName: Check for test failures

ci/azure/windows.yml

@@ -34,3 +34,16 @@ jobs:
       inputs:
         testResultsFiles: 'test-data.xml'
         testRunTitle: 'Windows 36'
+    - powershell: |
+        $junitXml = "test-data.xml"
+        $(Get-Content $junitXml | Out-String) -match 'failures="(.*?)"'
+        if ($matches[1] -eq 0)
+        {
+          Write-Host "No test failures in test-data"
+        }
+        else
+        {
+          # note that this will produce $LASTEXITCODE=1
+          Write-Error "$($matches[1]) tests failed"
+        }
+      displayName: Check for test failures

ci/deps/azure-macos-35.yaml

@@ -12,7 +12,7 @@ dependencies:
   - nomkl
   - numexpr
   - numpy=1.12.0
-  - openpyxl
+  - openpyxl=2.5.5
   - pytables
   - python=3.5*
   - pytz