Spelling tests (#10920)

tests/node.d/fronius.parse.spec.js

@@ -60,7 +60,7 @@ describe("fronius parsing for power chart", function () {
     });
 
     it("should return -100 for P_Akku", function () {
-        // it is unclear whether negative values are possible for p_akku (couln't test, nor any API docs found).
+        // it is unclear whether negative values are possible for p_akku (couldn't test, nor any API docs found).
         site.P_Akku = -100;
         var result = subject.parsePowerChart(service, site).dimensions[2];
 

tests/profile/test-eval.c

@@ -272,7 +272,7 @@ int health_variable_lookup(const char *variable, uint32_t hash, RRDCALC *rc, cal
 
 int main(int argc, char **argv) {
 	if(argc != 2) {
-		fprintf(stderr, "I need an epxression (enclose it in single-quotes (') as a single parameter)\n");
+		fprintf(stderr, "I need an expression (enclose it in single-quotes (') as a single parameter)\n");
 		exit(1);
 	}