Merge pull request mxcl#1218 from mxcl/ci/parallel

[ci] test in parallel

Author: mxcl

.github/workflows/ci.yml

@@ -46,7 +46,7 @@ jobs:
     - uses: actions/checkout@v2
     - run: swift build -Xswiftc -warnings-as-errors -Xswiftc -swift-version -Xswiftc 4
     - run: swift build -Xswiftc -warnings-as-errors -Xswiftc -swift-version -Xswiftc 4.2
-    - run: swift test --enable-code-coverage
+    - run: swift test --enable-code-coverage --parallel
 
     - name: Generate Coverage Report
       if: ${{ matrix.swift != '5.4.1' }}  # fails for SOME REASON

PromiseKit.xcodeproj/xcshareddata/xcschemes/PromiseKit.xcscheme

@@ -40,7 +40,9 @@
       </CodeCoverageTargets>
       <Testables>
          <TestableReference
-            skipped = "NO">
+            skipped = "NO"
+            parallelizable = "YES"
+            testExecutionOrdering = "random">
             <BuildableReference
                BuildableIdentifier = "primary"
                BlueprintIdentifier = "630019011D596292003B4E30"
@@ -50,7 +52,9 @@
             </BuildableReference>
          </TestableReference>
          <TestableReference
-            skipped = "NO">
+            skipped = "NO"
+            parallelizable = "YES"
+            testExecutionOrdering = "random">
             <BuildableReference
                BuildableIdentifier = "primary"
                BlueprintIdentifier = "6317518B1D59766500A9DDDC"
@@ -60,7 +64,9 @@
             </BuildableReference>
          </TestableReference>
          <TestableReference
-            skipped = "NO">
+            skipped = "NO"
+            parallelizable = "YES"
+            testExecutionOrdering = "random">
             <BuildableReference
                BuildableIdentifier = "primary"
                BlueprintIdentifier = "631411321D59795700E24B9E"
@@ -70,7 +76,9 @@
             </BuildableReference>
          </TestableReference>
          <TestableReference
-            skipped = "NO">
+            skipped = "NO"
+            parallelizable = "YES"
+            testExecutionOrdering = "random">
             <BuildableReference
                BuildableIdentifier = "primary"
                BlueprintIdentifier = "633027E0203CC0060037E136"
@@ -80,7 +88,9 @@
             </BuildableReference>
          </TestableReference>
          <TestableReference
-            skipped = "NO">
+            skipped = "NO"
+            parallelizable = "YES"
+            testExecutionOrdering = "random">
             <BuildableReference
                BuildableIdentifier = "primary"
                BlueprintIdentifier = "C0244E4E2047A6CB00ACB4AC"