Fix `-vet` and `-strict-style` failures in tests

tests/core/c/libc/test_core_libc_complex_pow.odin

@@ -69,18 +69,18 @@ test_libc_pow_binding :: proc(t: ^testing.T, $LIBC_COMPLEX:typeid, $F:typeid, po
 			complex_power := LIBC_COMPLEX(complex(F(n), F(0.)))
 			result := pow(complex_base, complex_power) 
 			switch n%%4 {
-				case 0:
-					expected_real = value
-					expected_imag = 0.
-				case 1:
-					expected_real = 0.
-					expected_imag = value
-				case 2:
-					expected_real = -value
-					expected_imag = 0.
-				case 3:
-					expected_real = 0.
-					expected_imag = -value
+			case 0:
+				expected_real = value
+				expected_imag = 0.
+			case 1:
+				expected_real = 0.
+				expected_imag = value
+			case 2:
+				expected_real = -value
+				expected_imag = 0.
+			case 3:
+				expected_real = 0.
+				expected_imag = -value
 			}
 			testing.expectf(t, isclose(t, expected_real, F(real(result)), rtol, atol), "ftype:%T, n:%v reldiff(%v, re(%v)) is greater than specified rtol:%e", F{}, n, expected_real, result, rtol)
 			testing.expectf(t, isclose(t, expected_imag, F(imag(result)), rtol, atol), "ftype:%T, n:%v reldiff(%v, im(%v)) is greater than specified rtol:%e", F{}, n, expected_imag, result, rtol)

tests/core/container/test_core_rbtree.odin

@@ -187,7 +187,7 @@ validate_rbtree :: proc(t: ^testing.T, tree: ^$T/rb.Tree($Key, $Value)) {
 }
 
 verify_rbtree_propery_1 :: proc(t: ^testing.T, n: ^$N/rb.Node($Key, $Value)) {
-        testing.expect(t, rb.node_color(n) == .Black || rb.node_color(n) == .Red, "Property #1: Each node is either red or black.")
+	testing.expect(t, rb.node_color(n) == .Black || rb.node_color(n) == .Red, "Property #1: Each node is either red or black.")
 	if n == nil {
 		return
 	}

tests/core/encoding/json/test_core_json.odin

@@ -429,7 +429,7 @@ map_with_integer_keys :: proc(t: ^testing.T) {
 	defer delete_map(my_map2)
 
 	unmarshal_err := json.unmarshal(marshaled_data, &my_map2)
-	defer for key, item in my_map2 {
+	defer for _, item in my_map2 {
 		runtime.delete_string(item)
 	}
 	testing.expectf(t, unmarshal_err == nil, "Expected `json.unmarshal` to return nil, got %v", unmarshal_err)

tests/core/encoding/xml/test_core_xml.odin

@@ -241,7 +241,7 @@ doc_to_string :: proc(doc: ^xml.Document) -> (result: string) {
 			written += fmt.wprintf(writer, "[DOCTYPE]  %v\n", doc.doctype.ident)
 
 			if len(doc.doctype.rest) > 0 {
-			 	fmt.wprintf(writer, "\t%v\n", doc.doctype.rest)
+				fmt.wprintf(writer, "\t%v\n", doc.doctype.rest)
 			}
 		}
 
@@ -250,10 +250,10 @@ doc_to_string :: proc(doc: ^xml.Document) -> (result: string) {
 		}
 
 		if doc.element_count > 0 {
-		 	fmt.wprintln(writer, " --- ")
-		 	print_element(writer, doc, 0)
-		 	fmt.wprintln(writer, " --- ")
-		 }
+			fmt.wprintln(writer, " --- ")
+			print_element(writer, doc, 0)
+			fmt.wprintln(writer, " --- ")
+		}
 
 		return written, .None
 	}

tests/core/unicode/test_core_unicode.odin

@@ -16,8 +16,7 @@ run_test_cases :: proc(t: ^testing.T, test_cases: []Test_Case, loc := #caller_lo
 		result, _, _ := utf8.grapheme_count(c.str)
 		if !testing.expectf(t, result == c.expected_clusters,
 			"(#% 4i) graphemes: %i != %i, %q %s", i, result, c.expected_clusters, c.str, c.str,
-			loc = loc)
-		{
+			loc = loc) {
 			failed += 1
 		}
 	}