Incorporated reviewer suggestions

Author: spenke91

.github/workflows/build_cmake_tarball.yml

@@ -34,8 +34,12 @@ on:
     inputs:
       TEST_LEVEL:
         required: true
-        type: string
-        description: 'Test level used for configuring (T8_TEST_LEVEL_FULL, T8_TEST_LEVEL_MEDIUM, or T8_TEST_LEVEL_BASIC)'
+        type: choice
+        options:
+          - T8_TEST_LEVEL_FULL
+          - T8_TEST_LEVEL_MEDIUM
+          - T8_TEST_LEVEL_BASIC
+        description: 'Test level used for configuring'
 
 jobs:
   build:

.github/workflows/code_coverage.yml

@@ -39,8 +39,12 @@ on:
         description: 'Build type (Release/Debug)'
       TEST_LEVEL:
         required: true
-        type: string
-        description: 'Test level used for configuring (T8_TEST_LEVEL_FULL, T8_TEST_LEVEL_MEDIUM, or T8_TEST_LEVEL_BASIC)'
+        type: choice
+        options:
+	          - T8_TEST_LEVEL_FULL
+	          - T8_TEST_LEVEL_MEDIUM
+	          - T8_TEST_LEVEL_BASIC
+        description: 'Test level used for configuring'
     secrets:
       CODE_COV:
         required: true

.github/workflows/tests_cmake_t8code.yml

@@ -41,8 +41,12 @@ on:
         description: 'Build type (Release/Debug)'
       TEST_LEVEL:
         required: true
-        type: string
-        description: 'Test level used for configuring (T8_TEST_LEVEL_FULL, T8_TEST_LEVEL_MEDIUM, or T8_TEST_LEVEL_BASIC)'
+        type: choice
+        options:
+          - T8_TEST_LEVEL_FULL
+          - T8_TEST_LEVEL_MEDIUM
+          - T8_TEST_LEVEL_BASIC
+        description: 'Test level used for configuring'
 
 jobs:  
   t8code_cmake_tests:

.github/workflows/tests_cmake_t8code_linkage.yml

@@ -41,8 +41,12 @@ on:
         description: 'Build type (Release/Debug)'
       TEST_LEVEL:
         required: true
-        type: string
-        description: 'Test level used for configuring (T8_TEST_LEVEL_FULL, T8_TEST_LEVEL_MEDIUM, or T8_TEST_LEVEL_BASIC)'
+        type: choice
+        options:
+          - T8_TEST_LEVEL_FULL
+          - T8_TEST_LEVEL_MEDIUM
+          - T8_TEST_LEVEL_BASIC
+        description: 'Test level used for configuring'
 
 jobs:  
   t8code_cmake_tests:

.github/workflows/tests_cmake_t8code_w_shipped_submodules.yml

@@ -41,8 +41,12 @@ on:
         description: 'Build type (Release/Debug)'
       TEST_LEVEL:
         required: true
-        type: string
-        description: 'Test level used for configuring (T8_TEST_LEVEL_FULL, T8_TEST_LEVEL_MEDIUM, or T8_TEST_LEVEL_BASIC)'
+        type: choice
+        options:
+          - T8_TEST_LEVEL_FULL
+          - T8_TEST_LEVEL_MEDIUM
+          - T8_TEST_LEVEL_BASIC
+        description: 'Test level used for configuring'
 
 jobs:  
   t8code_cmake_tests:

.github/workflows/tests_cmake_valgrind.yml

@@ -37,8 +37,12 @@ on:
         description: 'Build type (Release/Debug)'
       TEST_LEVEL:
         required: true
-        type: string
-        description: 'Test level used for configuring (T8_TEST_LEVEL_FULL, T8_TEST_LEVEL_MEDIUM, or T8_TEST_LEVEL_BASIC)'
+        type: choice
+        options:
+          - T8_TEST_LEVEL_FULL
+          - T8_TEST_LEVEL_MEDIUM
+          - T8_TEST_LEVEL_BASIC
+        description: 'Test level used for configuring'
 
 jobs:  
   valgrind_check: