Fix Psalm config

[no unit tests]

Author: gmazzap

.github/workflows/php-qa.yml

@@ -4,6 +4,7 @@ jobs:
 
     Unit_Tests:
         runs-on: ubuntu-latest
+        if: ${{ !contains(github.event.head_commit.message, 'no unit tests') }}
         strategy:
             matrix:
                 php: ['7.0', '7.1', '7.2', '7.3', '7.4']
@@ -55,6 +56,7 @@ jobs:
 
     Static_Analisys:
       runs-on: ubuntu-latest
+      if: ${{ !contains(github.event.head_commit.message, 'no static qa') }}
       steps:
         - uses: actions/checkout@v2
 

psalm.xml

@@ -6,7 +6,6 @@
     usePhpDocMethodsWithoutMagicCall="true"
     strictBinaryOperands="true"
     allowPhpStormGenerics="true"
-    allowCoercionFromStringToClassConst="true"
     ignoreInternalFunctionFalseReturn="false"
     ignoreInternalFunctionNullReturn="false"
     hideExternalErrors="true"