Rename testCase to situation.

src/lib/components/test_cases/TestCaseView.svelte

@@ -24,7 +24,7 @@
   export let enfants = []
   // export let index: number
   export let open: boolean
-  export let testCase: Situation
+  export let situation: Situation
   export let vectorIndex = 0
   export let year: number
 

src/lib/components/test_cases/TestCasesPane.svelte

@@ -20,7 +20,7 @@
 </script>
 
 <section class="grid-cols-1 md:grid md:grid-cols-2 gap-10">
-  {#each $testCases as testCase, index}
+  {#each $testCases as situation, index}
     <TestCaseView
       on:changeAxes
       on:changeSituation={({ detail }) => changeSituation(index, detail)}
@@ -32,7 +32,7 @@
           variableName: detail,
         })}
       open={index === 0}
-      {testCase}
+      {situation}
       {vectorIndex}
       {year}
     />